The Problem: How many distinct terms are in the sequence generated by a^b for a and b being boun...

The Problem: Find the value of a,b of n^2 + an + b where |a| < 1000 and |b| <= 1000 where starti...

The Problem: If you were to build a square starting with 1 in the middle then going right, down,...

The Problem: What is the first Fibonacci number with 1000 digits? Considerations and Approach: ...

The Problem: What is the millionth lexicographic permutation of the digits 0, 1, 2, 3, 4, 5, 6, ...

The Problem: A perfect number is a number for which the sum of its proper divisors is exactly eq...

The Problem: Get the total sum of a file of names if each letter in the name is mapped from 1-26...

The Problem: Let d(n) be defined as the sum of proper divisors of (numbers less than n which div...

The Problem: What is the sum of the digits of 100! where n! means 1x2x3x4x...xn? Considerations...

The Problem: How many Sundays fell on the first of the month between Jan 1 1901 and Dec 31 2000?...