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 A244685 #6 Jul 05 2014 17:04:31
%S A244685 1,6,4,2,9,5,0,4,1,1,3,2,2,6,3,3,3,4,4,4,5,6,9,7,8,8,9,1,8,1,1,4,9,1,
%T A244685 4,1,2,1,7,0,7,1,0,3,4,2,4,9,3,2,7,9,4,3,2,1,7,3,6,7,2,4,1,6,9,4,6,8,
%U A244685 8,5,1,3,9,5,7,2,2,6,3,3,7,6,0,8,4,7,6,6,3,8,4,8,4,8,1,2,7,9,9,2,0,0,5,1,5
%N A244685 The spiral of Champernowne read by the West ray.
%F A244685 See A244677 formula section.
%e A244685 See A244677 for the spiral of David Gawen Champernowne.
%t A244685 almostNatural[n_, b_] := Block[{m = 0, d = n, i = 1, l, p}, While[m <= d, l = m; m = (b - 1) i*b^(i - 1) + l; i++]; i--; p = Mod[d - l, i]; q = Floor[(d - l)/i] + b^(i - 1); If[p != 0, IntegerDigits[q, b][[p]], Mod[q - 1, b]]]; f[n_] := 4n^2 - 7n + 4 (* see A244677 formula section *); Array[ almostNatural[ f@#, 10] &, 105]
%Y A244685 Cf. A033307, A054567, A033952, A244677-A244688, A244690-A244692.
%K A244685 nonn,easy
%O A244685 1,2
%A A244685 _Robert G. Wilson v_, Jul 04 2014