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 A225687 #11 Mar 24 2020 00:24:47 %S A225687 1,2,2,2,3,3,3,3,4,4,4,4,4,5,5,5,5,5,5,5,6,6,6,6,6,6,6,6,7,7,7,7,7,7, %T A225687 7,7,7,8,8,8,8,8,8,8,8,8,8,9,9,9,9,9,9,9,9,9,9,9,9,10,10,10,10,10,10, %U A225687 10,10,10 %N A225687 a(n) = A030124(n) - n. %C A225687 Used by _Benoit Jubin_ in his analysis of A005228 and A030124. %C A225687 Are run lengths given by A081688? Equivalently, does n appear A081688(n) times? - _Peter Kagey_, Mar 20 2020 %H A225687 Peter Kagey, <a href="/A225687/b225687.txt">Table of n, a(n) for n = 1..10000</a> %Y A225687 Cf. A030124, A005228, A081688. %K A225687 nonn %O A225687 1,2 %A A225687 _N. J. A. Sloane_, May 24 2013