Project Euler ============= .. toctree:: :maxdepth: 1 001 - Sum Multiples of 3 or 5 002 - Sum Even Fibonacci Numbers 003 - Largest Prime Factor of Big Number 004 - Largest Palindromic Product 005 - Smallest Divisible by 1-20 006 - Sums of Squares Minus Squares of Sums 007 - The 10001st Prime 008 - Largest Product of Consecutive Digits 009 - Pythagorean Triplet 010 - Sum of Primes Under Two Million 011 - Largest Product of 4 Numbers in Grid 012 - First Triangle Number w/501 Divisors 013 - Sum 100 Fifty-Digit Numbers 014 - Longest Collatz Sequence 015 - Routes Through a 20x20 Grid 016 - Sum of the Digits of 2^1000 017 - Letters in One to One Thousand 018 - Maximum Sum Path through Triangle 019 - Sundays on the 1st of the Month 020 - Sum of the Digits of 100!