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 A202954 #21 Jan 17 2021 12:57:18 %S A202954 1,0,0,0,0,0,0,0,6,0,5,0,0,349,0,443,0,0,110757,0,1254452,0,0, %T A202954 152965479,0 %N A202954 Number of partitions of [1,...,3n] into triples satisfying x+y=4z. %C A202954 a(n)=0 when n is not congruent to 0 or 3 mod 5. - _Edward Moody_, Jan 17 2021 %H A202954 R. J. Nowakowski, <a href="/A104429/a104429.pdf">Generalizations of the Langford-Skolem problem</a>, M.S. Thesis, Dept. Math., Univ. Calgary, May 1975. [Scanned copy, with permission.] See Table II.6. %Y A202954 Cf. A108235, A104429. %K A202954 nonn,more %O A202954 0,9 %A A202954 _N. J. A. Sloane_, Dec 26 2011 %E A202954 a(14)-a(17) from _Alois P. Heinz_, Dec 28 2011 %E A202954 a(18) from _Alois P. Heinz_, Jan 04 2012 %E A202954 a(19)-a(24) from _Edward Moody_, Jan 17 2021