cp's OEIS Frontend

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.

A131277 Numbers m that divide Sum_{k=1..m} prime(k)^17.

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%I A131277 #51 Sep 15 2023 21:30:58
%S A131277 1,395191,697717,1078323,2050797,10543929,386099691,2467825171,
%T A131277 4488040933,17387575533,39641205433,825688143387,2800262033655,
%U A131277 3214748608393,5174884331693,16485974355373,20683624349423,34390023299149,629341300687639
%N A131277 Numbers m that divide Sum_{k=1..m} prime(k)^17.
%C A131277 a(18) > 3*10^13. - _Bruce Garner_, Aug 30 2021
%C A131277 a(19) > 5*10^13. - _Bruce Garner_, Jan 07 2022
%H A131277 OEIS Wiki, <a href="https://oeis.org/wiki/Sums_of_primes_divisibility_sequences">Sums of powers of primes divisibility sequences</a>.
%t A131277 s = 0; Do[s = s + Prime[n]^17; If[ Mod[s, n] == 0, Print[n]], {n, 1100000}]
%Y A131277 Cf. A085450 (smallest m > 1 that divide Sum_{k=1..m} prime(k)^n).
%Y A131277 Cf. A000040, A007504, A045345, A171399, A128165, A233523, A050247, A050248.
%Y A131277 Cf. A024450, A111441, A217599, A128166, A233862, A217600, A217601.
%K A131277 more,nonn,less
%O A131277 1,2
%A A131277 _Alexander Adamchuk_, Jun 25 2007
%E A131277 a(5) & a(6) from _Robert G. Wilson v_, Jul 05 2007
%E A131277 a(7) from _D. S. McNeil_, Dec 05 2010
%E A131277 a(8)-a(11) from _Robert Price_, Dec 12 2013
%E A131277 a(12) from _Bruce Garner_, Mar 02 2021
%E A131277 a(13) from _Bruce Garner_, Mar 17 2021
%E A131277 a(14) from _Bruce Garner_, Mar 30 2021
%E A131277 a(15) from _Bruce Garner_, Apr 14 2021
%E A131277 a(16) from _Bruce Garner_, Jun 30 2021
%E A131277 a(17) from _Bruce Garner_, Aug 30 2021
%E A131277 a(18) from _Bruce Garner_, Jan 07 2022
%E A131277 a(19) from _Paul W. Dyson_, Sep 15 2023