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 A286295 #9 Jun 08 2017 23:17:10 %S A286295 0,2,1,5,3,7,8,6,4,13,10,15,17,16,20,21,19,9,23,22,25,11,12,30,29,33, %T A286295 35,36,38,14,37,41,42,43,34,44,18,47,51,48,49,50,46,57,54,56,58,60,24, %U A286295 64,65,66,61,70,68,26,63,27,73,69,28,72,78,74,79,76,31,32,86,87,89,94,92,93,97,98 %N A286295 The right edge of the triangle in A274650. %C A286295 Theorem: This is a permutation of the nonnegative integers. For proof see link in A274650. - _N. J. A. Sloane_, Jun 07 2017 %H A286295 Alois P. Heinz, <a href="/A286295/b286295.txt">Table of n, a(n) for n = 0..1000</a> %Y A286295 Cf. A274650, A286294. %K A286295 nonn %O A286295 0,2 %A A286295 _N. J. A. Sloane_, May 30 2017