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 A361332 #20 May 06 2023 09:02:44 %S A361332 1,2,3,4,6,5,23,7,8,9,161,10,1771,12,11,16,23023,13,391391,14,15,19, %T A361332 7436429,17,18,21,20,24,171037867,22,4960098143,26,25,29,28,27 %N A361332 Where n appears in A351495, or -1 if it never occurs. %H A361332 Rémy Sigrist, <a href="/A361332/a361332_1.txt">C++ program</a> %o A361332 (C++) See Links section. %Y A361332 Cf. A351495, A361333. %K A361332 nonn,more %O A361332 1,2 %A A361332 _Scott R. Shannon_ and _N. J. A. Sloane_, Mar 19 2023 %E A361332 a(29)-a(36) from _Rémy Sigrist_, May 04 2023