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 A030771 #10 Apr 09 2020 02:09:12 %S A030771 2,4,5,6,7,8,9,10,12,13,15,16,18,19,21,22,24,25,28,31,34,36,38,45,48, %T A030771 52,56,61,65,69,74,76,79,83,88,95,99,103,107,113,117,122,127,129,133, %U A030771 137,142,147,153,158,161,168,171,176,182,188,193,201,205,210,213 %N A030771 Record values in A030767. %Y A030771 Cf. A030767, A030772. %K A030771 nonn %O A030771 1,1 %A A030771 _Clark Kimberling_ %E A030771 More terms and simpler title from _Sean A. Irvine_, Apr 08 2020