Dreamshire

By Mike Molony ⋅ June 5, 2009 ⋅ 2 comments

Find arithmetic sequences, made of prime terms, whose four digits are permutations of each other.

By Mike Molony ⋅ April 12, 2009 ⋅ 5 comments

Find the prime number, below one-million, that can be written as the sum of the most consecutive primes.

By Mike Molony ⋅ May 27, 2009 ⋅ 16 comments

Find the smallest prime which, by replacing part of the number with the same digit, is part of an eight prime value set.

By Mike Molony ⋅ April 9, 2009 ⋅ One comment

Find the smallest positive integer, x, such that 2x, 3x, 4x, 5x, and 6x, contain the same digits in some order.

By Mike Molony ⋅ April 11, 2009 ⋅ Post a comment

Count the values of C(n,r), for 1 ≤ n ≤ 100, that exceed one-million.

By Mike Molony ⋅ July 16, 2011 ⋅ One comment

Calculating the sum of the decimal digits of irrational square roots.

By Mike Molony ⋅ April 16, 2009 ⋅ 2 comments

Find the minimal path sum from the top left to the bottom right by moving right and down.

By Mike Molony ⋅ May 5, 2009 ⋅ One comment

Find the minimal path sum from the left column to the right column.

By Mike Molony ⋅ September 2, 2014 ⋅ Post a comment

Find a minimum path sum in a matrix from the top left to the bottom right corners by moving up, down, left or right.

By Mike Molony ⋅ March 27, 2009 ⋅ One comment

Investigating the number of rectangles in a rectangular grid.

Python