Its a nice series of problems and i think there are more than enough untied problems for another Sequence and Series problem group. So maybe Chris its about time to curate one :)
Thanks Nikolaos. I was thinking of making a group on primes, but one on sequences and series is a good idea.
I'm interested to see whether anyone uses my approach to this problem--especially after all of the solvers of my Connell sequence problem (Cody Problem 46615) to this point found the easy way.
Numbers with prime factors 2, 3 and 5.
Find the largest value in the 3D matrix
Getting logical indexes
Piecewise linear interpolation
Area of an equilateral triangle
List Proth primes
Characterize the final state of the digit inventory sequence
List composite numbers that cannot be written as the sum of two primes
Determine whether a number is a cluster prime
Evaluate the Struve function
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