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 A217289 #9 Apr 25 2020 22:10:33 %S A217289 1,4,7,16,36,79,106,222,456,460,650,1046,1090,2110,2205,2302,3455, %T A217289 4946,6072,6671,10388,12000,12174,24772,26790,29490,36862,39767,72361, %U A217289 79240,86810,87580,135014,172256,210917,223312,293452,538746,550786,585886,617819,838074,879410 %N A217289 Where records occur in A217287. %Y A217289 Cf. A217287, A217288, A217438. %K A217289 nonn %O A217289 1,2 %A A217289 _Lior Manor_, Sep 30 2012 %E A217289 Beginning changed because of new term a(1)=3 in A217287. - _N. J. A. Sloane_, Apr 25 2020