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 A317190 #4 Jul 30 2018 16:09:05 %S A317190 0,3,5,4,1,9,7,2,6,8,15,25,28,21,19,22,27,37,11,31,45,12,13,10,14,55, %T A317190 34,57,46,47,23,17,20,68,16,51,40,18,81,82,69,24,29,61,92,26,64,105, %U A317190 77,101,36,109,111,75,115,118,91,30,33,48,38,100,32,35,137 %N A317190 Main diagonal of infinite Sudoku-type array A274528. %C A317190 Conjectured to be a permutation of the nonnegative numbers. %C A317190 Equals A274318(n+1)-1; see that entry for more information. %Y A317190 Cf. A269529, A274318, A274528. %K A317190 nonn %O A317190 0,2 %A A317190 _N. J. A. Sloane_, Jul 30 2018