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.
Encode Roman Numerals
Solve the Sudoku Row
Sum of first n terms of a harmonic progression
Inverse of Hilbert matrix
Determine whether a number is a cluster prime
Create a sequence of primes p such that p > n π(p)
Find the last non-zero digit in a primorial
Compute the nth Pythagorean prime
Compute the nth Naerogahtyp emirp
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