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 A308018 #12 May 16 2019 03:08:25 %S A308018 1,2,3,4,5,6,7,8,10,11,12,13,15,16,17,19,20,21,22,23,25,26,27,28,29, %T A308018 31,33,32,35,36,37,38,40,41,42,44,45,46,47,48,49,51,52,53,55,56,58,59, %U A308018 61,60,62,63,65,64,66,67,68,69,71,72,74,75,76,77,79,80 %N A308018 List of y-coordinates of successive points on the lower of the two lines formed by the terms of A308007. %C A308018 See A308007 and A308016 for further information about the two lines. %H A308018 N. J. A. Sloane, <a href="/A308018/b308018.txt">Table of n, a(n) for n = 1..3428</a> %Y A308018 Cf. A081145, A308007, A308016, A308017-A308020. %K A308018 nonn %O A308018 1,2 %A A308018 _N. J. A. Sloane_, May 15 2019