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 A338051 #7 Oct 10 2020 21:58:24 %S A338051 0,0,3,11,30,8,5,25,46,0,7,9,64,8,5,29,22,8,9,43,30,12,15,33,44,20,13, %T A338051 37,62,12,-1,53,86,22,-11,39,58,38,-3,47,104,8,1,55,48,16,5,69,56,20, %U A338051 7,209,58,20,13,97,66,24,21,55,100,22,-3,91,152,32,-19,61,146,30,-17,69,162,36,-9,71,56,74,-7,55,94 %N A338051 a(n) = A336957(n) - n. %H A338051 N. J. A. Sloane, <a href="/A338051/b338051.txt">Table of n, a(n) for n = 1..20000</a> %Y A338051 Cf. A336957. %K A338051 sign %O A338051 1,3 %A A338051 _Scott R. Shannon_ and _N. J. A. Sloane_, Oct 10 2020