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 A145866 #4 Jun 02 2025 00:41:48 %S A145866 1,1,2,1,2,2,2,1,2,2,3,1,2,1,1,1,2,2,3,1,3,4,3,1,2,3,2,1,1,1,1,1,2,2, %T A145866 3,1,3,3,2,1,3,2,5,1,3,1,1,1,2,1 %N A145866 Number of representations of 2n as a sum of two terms of A145819. %Y A145866 A145819 A145812 A145818 %K A145866 nonn %O A145866 1,3 %A A145866 _Vladimir Shevelev_, Oct 22 2008