## Pierpont Prime

A Pierpont Prime is a prime number of the form p = 2l.3k + 1. First few Pierpont prime numbers are 2, 3, 5, 7,… Read More »

- Find the Nth term of the series 14, 28, 20, 40,.....
- Arithmetic Progression
- Sum of all odd natural numbers in range L and R
- Sum of kth powers of first n natural numbers
- Find n positive integers that satisfy the given equations
- Program to find sum of harmonic series
- Geometric Progression
- Program to find nth term of the series 1 4 15 24 45 60 92
- Generate minimum sum sequence of integers with even elements greater
- Find nth term of the series 5 2 13 41
- Sum of the series K
^{n}+ ( K^{(n-1)}* (K-1)^{1}) + ( K^{(n-2)}* (K-1)^{2}) + ....... (K-1)^{n} - Summing the sum series
- Sum of the natural numbers (up to N) whose modulo with K yield R
- Sum of numbers from 1 to N which are in Lucas Sequence
- Find nth Hermite number
- Find the nth term of the series 0, 8, 64, 216, 512, . . .
- Sum of all natural numbers in range L to R
- Find if the given number is present in the infinite sequence or not
- Harmonic Progression
- Find Nth term of the series 1, 5, 32, 288 ...
- Sum of the series 1, 2, 4, 3, 5, 7, 9, 6, 8, 10, 11, 13.. till N-th term
- Find Nth term of the series 1, 6, 18, 40, 75, ....
- Find the nth term of the given series
- Program to find the Nth term of the series 0, 3/1, 8/3, 15/5........
- Maximum value of |arr[0] - arr[1]| + |arr[1] - arr[2]| + ... +|arr[n - 2] - arr[n - 1]| when elements are from 1 to n
- Find the sum of first N terms of the series 2*3*5, 3*5*7, 4*7*9, ...
- Program to find the nth term of the series -2, 4, -6, 8....
- Find the Nth term of the series 9, 45, 243,1377
- Print first N terms of series (0.25, 0.5, 0.75, ...) in fraction representation

A Pierpont Prime is a prime number of the form p = 2l.3k + 1. First few Pierpont prime numbers are 2, 3, 5, 7,… Read More »

A Woodall number is of the form: Wn = n.2n – 1 The first few Woodall numbers are: 1, 7, 23, 63, 159, 383, 895……… Read More »

The Leonardo numbers are a sequence of numbers given by the recurrence: The first few Leonardo Numbers are 1, 1, 3, 5, 9, 15, 25,… Read More »

Introduction to Vampire Number and its implementation using python. Introduction In mathematics, a vampire number (or true vampire number) is a composite natural number v,… Read More »

A Happy Number n is defined by the following process. Starting with n, replace it with the sum of the squares of its digits, and… Read More »

Given two values ‘a’ and ‘n’, find sum of series a^1/1! + a^2/2! + a^3/3! + a^4/4! +…….+ a^n/n!. Examples : Input : a =… Read More »

A number is said to be a Spy number if the sum of all the digits is equal to the product of all digits. Examples… Read More »

A series with same common difference is known as arithmetic series. The first term of series is a and common difference is d. The series… Read More »

The tribonacci series is a generalization of the Fibonacci sequence where each term is the sum of the three preceding terms. The Tribonacci Sequence :… Read More »

You have been given a series 1/1! + 2/2! + 3/3! + 4/4! +…….+ n/n!, find out the sum of the series till nth term.… Read More »

Given a number N, the task is to print the sequence upto N. The sequence is : 1, 2, 4, 8, 16, 22, 26, 38,… Read More »

Consider a series of numbers composed of only digits 4 and 7. First few numbers in the series are 4, 7, 44, 47, 74, 77,… Read More »

Given an array of n elements, we need to find the geometric mean of the numbers. Generally geometric mean of n numbers is the nth… Read More »

The nth Taxicab number Taxicab(n), also called the n-th Hardy-Ramanujan number, is defined as the smallest number that can be expressed as a sum of… Read More »

A number is said to be a magic number, if the sum of its digits are calculated till a single digit recursively by adding the… Read More »