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 A355013 #12 Jun 19 2022 02:21:06 %S A355013 5,7,11,14,23,31,32,60,95,96,119,120,127,128,132,191,244,263,264,383, %T A355013 388,480,484,488,511,512,571,776,960,968,975,976,980,1056,1535,1536, %U A355013 1552,1556,1919,1920,2112,2128,2287,3103,3104,3844,3848,3872,3875,3904,3920 %N A355013 Index of A355012(n) in A090252. %H A355013 Michael De Vlieger, <a href="/A355013/b355013.txt">Table of n, a(n) for n = 1..1009</a> %t A355013 Position[Import["https://oeis.org/A090252/b090252.txt", "Data"][[1 ;; 4000, -1]], _?(CompositeQ[#] && PrimePowerQ[#] &)][[All, 1]] %Y A355013 Cf. A090252, A246547, A354164, A355012, A355014. %K A355013 nonn %O A355013 1,1 %A A355013 _Michael De Vlieger_, Jun 15 2022