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 A069156 #6 Aug 09 2019 12:31:00 %S A069156 1,2,3,10,16,48,71,268,330,1000,1231,4360,5560,19724,25011,195472, %T A069156 200832,423104,637336,2404960,3468448,11221136,15481956,85524160, %U A069156 69071736,223715664,263481184,1233927520,2023228320 %N A069156 A certain class of stable matchings. %H A069156 E. G. Thurber, <a href="https://doi.org/10.1016/S0012-365X(01)00194-7">Concerning the maximum number of stable matchings in the stable marriage problem</a>, Discrete Math., 248 (2002), 195-219. %K A069156 nonn,more %O A069156 1,2 %A A069156 _N. J. A. Sloane_, Apr 12 2002