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 A377902 #3 Nov 15 2024 13:04:31 %S A377902 1,1,2,2,1,2,1,2,1,2,1,2,1,2,1,2,2,2,1,1,2,2,2,1,2,1,2,1,2,1,2,2,2,1, %T A377902 2,2,1,2,1,2,2,1,2,2,1,1,2,2,2,1,2,1,2,2,2,1,2,2,2,1,2,2,1,1,2,2,1,1, %U A377902 2,2,1,2,2,2,2,2,2,1,2,2,1,2,2,1,2,1,2,2,2,2,1,2,1,2,2,1,2,2,2,1,2,1,2,2,2,1,2,2,1,2,1,2,2,2,2,1,2,1,2,1,2,1,2,2,2,2 %N A377902 First differences of A377898. %Y A377902 Cf. A121053, A377898. %K A377902 nonn %O A377902 1,3 %A A377902 _N. J. A. Sloane_, Nov 15 2024