October 26, 2011
Problem 203

Squarefree binomial coefficients.

I had in mind optimisations in only calculating half the triangle, but in the end it didn’t signify. I used the Pari issquarefree() function. Biggest issue was forgetting telling Perl to use arbitrary precision integers.

8:30pm  |   URL: http://tmblr.co/ZyENbyB8eCz6
  
Filed under: Project Euler nerd 
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