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 A193107 #7 Oct 12 2017 10:53:23 %S A193107 11,26,40,54,69 %N A193107 Numbers n such that A193106(n) = 6. %C A193107 There may be no further terms. %H A193107 H. E. Salzer and N. Levine, <a href="https://doi.org/10.1090/S0025-5718-1968-0224578-6">Proof that every integer <= 452,479,659 is a sum of five numbers of the form Q_x = (x^3+5x)/6, x>= 0</a>, Math. Comp., (1968), 191-192. %Y A193107 Cf. A193106. %K A193107 nonn,more %O A193107 1,1 %A A193107 _N. J. A. Sloane_, Jul 15 2011