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 A217288 #9 Apr 25 2020 22:09:56 %S A217288 3,4,5,8,9,11,14,18,19,20,22,25,30,32,35,38,41,45,46,49,52,54,62,68, %T A217288 72,73,74,85,86,88,90,105,110,112,126,128,143,144,149,154,161,166,182 %N A217288 Records in A217287. %Y A217288 Cf. A217287, A217289, A217438. %K A217288 nonn %O A217288 1,1 %A A217288 _Lior Manor_, Sep 30 2012 %E A217288 Beginning changed because of new term a(1)=3 in A217287. - _N. J. A. Sloane_, Apr 25 2020