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 A385756 #12 Jul 11 2025 16:40:23 %S A385756 20,21,25,27,28,33,39,40,42,44,45,49,50,51,52,54,55,56,57,60,63,65,66, %T A385756 68,69,75,76,77,78,80,81,84,85,87,88,90,91,92,93,95,98,99,100,102,104, %U A385756 105,108,110,111,112,114,115,116,117,119,120,121,123,124,125,126,129 %N A385756 Complement of A385755. %H A385756 Michael De Vlieger, <a href="/A385756/b385756.txt">Table of n, a(n) for n = 1..10000</a> %H A385756 Michael De Vlieger, <a href="/A385756/a385756.txt">Mathematica code</a>. %Y A385756 Cf. A001222, A001414, A385755, A385811. %K A385756 nonn %O A385756 1,1 %A A385756 _Hugo Pfoertner_, Jul 09 2025