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 A134360 #13 Jun 07 2021 04:41:39 %S A134360 17,20231,83233,3828719,8519143,39951841,68916943,76672279,144326023, %T A134360 721630111,35915273857,39392517233,42845049953,83709099119 %N A134360 Primes dividing terms of A128358. %C A134360 A prime p is in this sequence if the multiplicative order of 18 modulo p equals the product of smaller primes from this sequence. - _Max Alekseyev_, Sep 24 2009 %e A134360 A128358 begins with {1, 17, 17^2, 17^3, 17^4, 17^5, 20231*17^2, 83233*17^2, ...}. Thus 17, 20231, 83233 are in this sequence. %Y A134360 Cf. A128356, A128357, A128358. %K A134360 nonn,hard,more %O A134360 1,1 %A A134360 _Alexander Adamchuk_, Jan 31 2008 %E A134360 Edited and extended by _Max Alekseyev_, Jul 28 2009 %E A134360 a(11)-a(14) from _Max Alekseyev_, May 26 2010