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 A351286 #10 Feb 22 2022 00:40:56 %S A351286 1,4,12,60,292,1292,5012,16628,49236,127964,285740,546308,902056, %T A351286 1298248,1639652,1841556,1841556,1639652,1298248,902056,546308,285740, %U A351286 127964,49236,16628,5012,1292,292,60,12,4,1 %N A351286 a(n) is the number of boards in English Peg Solitaire after n moves from which the winning position can be reached. %C A351286 After the first 16 terms the next terms are the first 16 terms in decreasing order. - _Omar E. Pol_, Feb 06 2022 %H A351286 Wikipedia, <a href="https://en.wikipedia.org/wiki/Peg_solitaire">Peg solitaire</a> %Y A351286 Cf. A335656. %K A351286 nonn,fini,full %O A351286 0,2 %A A351286 _Douglas Boffey_, Feb 06 2022