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 A030749 #13 Oct 09 2022 15:45:22 %S A030749 1,2,3,4,5,6,8,9,11,12,15,17,19,20,22,26,29,31,33,36,38,40,44,48,51, %T A030749 53,57,59,63,67,71,73,76,78,82,84,91,95,97,99,101,106,111,115,120,123, %U A030749 126,130,133,137,141,146,151,156,163,167,170,173,178,184,189,195 %N A030749 Number of new terms at stage n in the formation of A030747; likewise at stage n in the formation of A030787. %Y A030749 Cf. A030747, A030787. %K A030749 nonn %O A030749 1,2 %A A030749 _Clark Kimberling_ %E A030749 More terms from _Sean A. Irvine_, Apr 08 2020