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 A296348 #7 Dec 17 2017 10:18:22 %S A296348 0,2,6,4,7,12,14,11,20,24,26,28,21,33,23,27,32,45,48,35,49,52,55,40, %T A296348 43,42,63,67,71,75,58,79,60,86,64,89,66,93,96,95,99,102,76,77,84,113, %U A296348 81,88,120,90,92,129,98,132,138,139,140,144,106,145,108,114,156 %N A296348 Numbers in cells in spiral A274820 on spoke through center with slope 300 degrees. %C A296348 It is conjectured that this and A296345 together are a permutation of the nonnegative numbers. %H A296348 Rémy Sigrist, <a href="/A296348/b296348.txt">Table of n, a(n) for n = 0..2499</a> %H A296348 Rémy Sigrist, <a href="/A296348/a296348.gp.txt">PARI program for A296348</a> %o A296348 (PARI) See Links section. %Y A296348 Cf. A274820, A296343, A296344, A296345, A296346, A296347. %K A296348 nonn %O A296348 0,2 %A A296348 _N. J. A. Sloane_, Dec 16 2017 %E A296348 More terms from _Rémy Sigrist_, Dec 17 2017