This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A341690 #14 May 09 2024 08:29:09 %S A341690 16,95591589000729770,57770815231373815452404527382911050, %T A341690 15942241394469365582203327807497328235663420076612273764, %U A341690 89536555153849358635668155008982165719026544119306300984594045157568 %N A341690 Integer averages of first n primes to the 4th power for some n (A341689(n)/A125907(n)). %H A341690 OEIS Wiki, <a href="https://oeis.org/wiki/Sums_of_primes_divisibility_sequences">Sums of powers of primes divisibility sequences</a>. %o A341690 (Python) %o A341690 sum = 0 %o A341690 for n in range(1, 10000000000001): %o A341690 sum += pow(prime[n], 4) %o A341690 if sum % n == 0: %o A341690 print(n, prime[n], sum, (sum // n)) %Y A341690 Cf. A122102, A125907, A232869, A128168, A233893. %K A341690 nonn,hard,more %O A341690 1,1 %A A341690 _Karl-Heinz Hofmann_, Feb 17 2021 %E A341690 a(4) from _Martin Ehrenstein_, Feb 27 2021 %E A341690 a(5) from _Paul W. Dyson_, May 09 2024