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 A038648 #10 Aug 19 2022 14:32:51 %S A038648 335,992,14915,31232,37973,84881,102125,318611,1058528,1403597, %T A038648 3760553,4796885,4912661,5717504,5735000,6804128,7188932,9903017, %U A038648 10133129,14040875,16930559,22656881,32878235,35956352,41917952,44653691,46692371,47107226,47222201,53033465 %N A038648 Gaps of 4 in sequence A038593 (upper terms). %H A038648 Giovanni Resta, <a href="/A038648/b038648.txt">Table of n, a(n) for n = 1..100</a> %Y A038648 Cf. A038593, A038647. %K A038648 nonn %O A038648 1,1 %A A038648 _Jeff Burch_ %E A038648 Offset changed to 1 by and more terms from _Jinyuan Wang_, Mar 16 2020