Dreamshire

Showing what's behind the curtain

// author archive

Mike Molony

Mike Molony has written 149 posts for Dreamshire

By Mike Molony ⋅ April 1, 2009 ⋅ 15 comments

Maximum sum from top to bottom of triangular array.

By Mike Molony ⋅ March 26, 2009 ⋅ Post a comment

Find how many Sundays fell on the first of the month during the twentieth century.

Find the sum of the digits in 100!

By Mike Molony ⋅ April 9, 2009 ⋅ 2 comments

Evaluate the sum of all amicable pairs under 10,000.

By Mike Molony ⋅ April 9, 2009 ⋅ Post a comment

Calculate the total of all the name scores in the file of first names.

By Mike Molony ⋅ April 9, 2009 ⋅ 11 comments

Find the sum of all the positive integers which cannot be written as the sum of two abundant numbers.

What is the millionth lexicographic permutation of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9?

By Mike Molony ⋅ April 10, 2009 ⋅ One comment

Find the first term in the Fibonacci sequence to contain 1000 digits.

By Mike Molony ⋅ April 30, 2009 ⋅ 6 comments

Find the value of d < 1000 for which 1/d contains the longest recurring cycle.

Find a quadratic formula that produces the maximum number of primes for consecutive values of n.

If you don't build your dream, someone will hire you to build theirs.