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 A362253 #9 Apr 22 2023 10:28:08 %S A362253 1,4,7,2,19,25,30,38,45,4,26,33,27,46,10,59,102,38,84,37,22,77,80,37, %T A362253 240,57,45,240,173,38,41,100,88,44,114,39,63,24,14,121,177,12,155,270, %U A362253 65,109,44,391,54,22,96,320,194,347,182,226,143,290,105,135,29,198,113,302,572,53,692,168,366 %N A362253 a(n) is the unique index such that prime A362252(n) divides A231830(a(n)). %H A362253 Max Alekseyev, <a href="/A362253/b362253.txt">Table of n, a(n) for n = 1..8503</a> %Y A362253 Cf. A000058, A007996, A180871, A231830, A231831, A362250, A362251, A362252. %K A362253 nonn %O A362253 1,2 %A A362253 _Max Alekseyev_, Apr 21 2023