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 A350998 #7 Feb 22 2022 00:40:26 %S A350998 0,0,0,0,0,0,4,0,0,0,8,4,0,28,66,40,176,302,816,2675,6890,15122,25846, %T A350998 33891,33051,23722,13142,4987,1295,254,28,5 %N A350998 a(n) is the number of boards in English Peg Solitaire, reached after n moves, for which no more moves are possible. %Y A350998 Cf. A335656, A350561. %K A350998 nonn,fini,full %O A350998 0,7 %A A350998 _Douglas Boffey_, Jan 28 2022