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 A089525 #11 Aug 04 2021 07:43:31 %S A089525 77,87,455,3386,7811,11926,12233,12705,13448,15382,16338,17462,17844, %T A089525 18387,18580,20577,22492,25001,26060,32604,34578,42718,52713,55807, %U A089525 60272,65730,67963,77232,85964,92239,98963,99587,100386,102163,103689 %N A089525 A089450 indexed by A000040. %F A089525 a(n) = k such that A089450(n) = A000040(k). %F A089525 a(n) = A000720(A089450(n)). - _Michel Marcus_, Aug 04 2021 %e A089525 prime(44)=193, 2*193 + 3 = 389 = prime(77); %e A089525 prime(45)=197, 2*197 + 3 = 397 = prime(78); %e A089525 prime(46)=199, 2*199 + 3 = 401 = prime(79). %Y A089525 Subsequence of A089529. %Y A089525 Cf. A088066, A088119, A089450. %K A089525 nonn %O A089525 1,1 %A A089525 _Ray Chandler_, Nov 07 2003 %E A089525 Offset changed to 1 by _Jinyuan Wang_, Aug 04 2021