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 A350727 #7 Jan 24 2022 16:12:55 %S A350727 0,2,5,11,14,21,30,44,47,54,63,82,93,116,139,180,184,191,200,219,230, %T A350727 253,276,325,344,371,400,451,496,555,612,718,727,734,743,762,773,796, %U A350727 819,868,887,914,943,994,1039,1098,1155,1278,1317,1356,1395,1458,1513 %N A350727 a(n) = (A350632(n) - 1) / 4. %H A350727 Rémy Sigrist, <a href="/A350727/a350727.txt">C++ program for A350727</a> %H A350727 <a href="/index/Ce#cell">Index entries for sequences related to cellular automata</a> %e A350727 a(8) = (A350632(8) - 1) / 4 = (177 - 1) / 4 = 44. %o A350727 (C++) See Links section. %Y A350727 Cf. A350632. %K A350727 nonn %O A350727 1,2 %A A350727 _Rémy Sigrist_, Jan 11 2022, after a suggestion from _Hugo Pfoertner_