Chris, I wonder how you keep coming with such new interesting problems!
I'm glad you like them!
Back to basics 8 - Matrix Diagonals
Duplicate each element of a vector.
Iccanobif numbers 1
Find the smallest integer m such that n divides m!
Determine whether a number is unprimeable
Sum the elements in rows of the Levine triangle
Compute the nth Pythagorean prime
Investigate the frequency of last digits of prime numbers
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