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 A244690 The spiral of Champernowne read by the South-Southeast ray. 14
 1, 1, 4, 8, 1, 1, 2, 4, 3, 4, 3, 7, 8, 8, 0, 1, 9, 6, 6, 1, 2, 7, 2, 2, 3, 2, 0, 3, 2, 9, 9, 4, 9, 9, 9, 5, 4, 1, 1, 6, 7, 7, 4, 7, 8, 5, 8, 9, 7, 6, 0, 6, 7, 1, 1, 1, 5, 8, 3, 1, 3, 4, 9, 5, 1, 5, 3, 0, 7, 1, 8, 2, 1, 9, 1, 0, 1, 2, 1, 2, 2, 0, 3, 4, 2, 5, 9, 4, 7, 2, 8, 8, 5, 0, 3, 1, 7, 6, 3, 3, 4, 6, 7, 6, 3 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS FORMULA See A244677 formula section. EXAMPLE See A244677 for the spiral of David Gawen Champernowne. MATHEMATICA 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_] := 16n^2 - 25n + 10 (* see A244677 formula section *); Array[ almostNatural[ f@#, 10] &, 105] CROSSREFS Cf. A033307, A143839, A033952, A244677-A244688, A244691, A244692. Sequence in context: A200356 A127734 A154520 * A002390 A193087 A201404 Adjacent sequences:  A244687 A244688 A244689 * A244691 A244692 A244693 KEYWORD nonn,easy AUTHOR Robert G. Wilson v, Jul 04 2014 STATUS approved

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Last modified October 20 12:34 EDT 2018. Contains 316379 sequences. (Running on oeis4.)