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 A354779 #12 Mar 22 2025 19:04:15 %S A354779 0,1,2,3,3,3,4,4,4,5,6,6,6,7,8,8,8,9,10,10,10,11,12,12,12,13,14,14,14, %T A354779 15,16,16,16,17,18,18,18,19,20,20,20,21,22,22,22,23,24,24,24,25,26,26, %U A354779 26,27,28,28,28,29,30,30,30,31,32,32,32,33,34,34,34,35,36,36,36,37,38,38,38,39,40,40,40,41,42,42,42,43,44 %N A354779 a(0), ..., a(5) are 0, 1, 2, 3, 3, 3; thereafter if n == 0 mod 4 then a(n) = n/2; if n == 1 mod 4, (n+1)/2; 2 mod 4, (n+2)/2; 3 mod 4, (n+1)/2. %C A354779 Arises in the analysis of A354767. %F A354779 G.f.: x*(x^7-x^6-x^3+x^2+1)/((1-x)^2*(1+x^2)). %Y A354779 Cf. A354767. %K A354779 nonn,easy %O A354779 0,3 %A A354779 _N. J. A. Sloane_, Jul 01 2022