Beautiful! I enjoyed it very much!!! <3
love the "unique" command!
Do not cheat yourself,OK?
I added additional cases to the test suite, so this attempted solution is incorrect now.
Add two numbers
Return the 3n+1 sequence for n
Project Euler: Problem 6, Natural numbers, squares and sums.
Extra safe primes
So many choices
Maintain shape of logical-index mask
Increment a number, given its digits
Are you in or are you out?
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