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 A296343 #13 Dec 16 2017 18:45:51 %S A296343 0,1,3,7,6,8,12,16,14,17,21,22,20,24,29,25,41,30,36,34,37,38,45,43,56, %T A296343 44,51,48,52,54,55,70,57,61,63,66,83,85,69,92,74,82,77,104,86,106,79, %U A296343 87,117,118,93,94,96,97,98,99,103,102,110,112,111,113,116,154 %N A296343 Numbers in cells in spiral A274820 on spoke through center with slope 0 degrees. %C A296343 It is conjectured that this and A296346 together are a permutation of the nonnegative numbers. %H A296343 Rémy Sigrist, <a href="/A296343/b296343.txt">Table of n, a(n) for n = 0..2500</a> %H A296343 Rémy Sigrist, <a href="/A296343/a296343.gp.txt">PARI program for A296343</a> %o A296343 (PARI) See Links section. %Y A296343 Cf. A274820, A296344, A296345, A296346, A296347, A296348. %K A296343 nonn %O A296343 0,3 %A A296343 _N. J. A. Sloane_, Dec 12 2017 %E A296343 More terms from _Rémy Sigrist_, Dec 12 2017