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 A324784 #8 Jan 09 2021 22:45:06 %S A324784 0,4,16,31,64,99,111,131,170,187,222,285,337,403,450,508,674,754,770, %T A324784 843,983,1227,1302,1345,1409,1712,1974,2063,2087,2142,2336,2418,2492, %U A324784 2622,2652,2867,3083,3867,4135,4493,4596,4645,4791,4825,5024,5240,5896,6528,7072,7564,7673,8102 %N A324784 Indices of low points in Recamán's sequence A005132 (see Comments in A309226 for definition). %H A324784 N. J. A. Sloane, <a href="/A324784/b324784.txt">Table of n, a(n) for n = 1..230</a> %Y A324784 Cf. A005132, A309226, A324785, A324786. %K A324784 nonn %O A324784 1,2 %A A324784 _N. J. A. Sloane_, Sep 01 2019