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 A275892 #7 Nov 03 2022 21:53:00 %S A275892 1,2,3,2,1,2,3,4,5,4,3,4,3,4,3,4,5,6,7,6,5,6,7,8,9,8,7,8,7,8,7,8,9,8, %T A275892 9,10,11,10,11,10,11,10,9,10,11,12,13,14,13,12,13,14,15,14,15,14,15, %U A275892 14,13,14,15,16,17,16,17,18,17,18,17,18,17,18,19,20,19,20,19,18,19,18,19,20,21,22,21 %N A275892 a(n) = A275890(n) - A275891(n). %C A275892 Tells how many more points in A065188 are below the diagonal than are above the diagonal. %Y A275892 Cf. A065188, A275890, A275891. %K A275892 nonn %O A275892 1,2 %A A275892 _N. J. A. Sloane_, Aug 21 2016