Problem 51715. Iterate the sum of divisors and totient
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David Hill
on 10 May 2021
Chris,
Would you check test17. I get a repeating pattern starting at index 161 that has 36 members.
ChrisR
on 10 May 2021
Yes, I do too. Not sure what happened or why my reference solution worked. Thanks, David.
goc3
on 7 May 2022
An interesting and challenging problem. I feel that it should be worth more than ten points...
Rafael S.T. Vieira
on 27 Nov 2022
The greatest challenge is to produce the most optimized code. Writing code that works is easy.
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