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 A031035 Write n in base 8 and juxtapose. 22
 1, 2, 3, 4, 5, 6, 7, 1, 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6, 1, 7, 2, 0, 2, 1, 2, 2, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7, 3, 0, 3, 1, 3, 2, 3, 3, 3, 4, 3, 5, 3, 6, 3, 7, 4, 0, 4, 1, 4, 2, 4, 3, 4, 4, 4, 5, 4, 6, 4, 7, 5, 0, 5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 5, 6, 5, 7, 6, 0, 6 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Apart from the initial term, identical to A054634. Should not be merged with A054634 because there are many sequences which depend on this sequence starting with a 1. - N. J. A. Sloane, Jan 30 2010 An irregular table in which the n-th row lists the base-8 digits of n. - Jason Kimberley, Dec 07 2012 The base-8 Champernowne constant: it is normal in base 8. - Jason Kimberley, Dec 07 2012 LINKS MATHEMATICA Flatten[ IntegerDigits[ Range[40], 8]] (* or *) 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]]]; Array[ almostNatural[#, 8] &, 105] (* Robert G. Wilson v, Jun 29 2014 *) PROG (Magma) &cat[Reverse(IntegerToSequence(n, 8)):n in[1..31]]; // Jason Kimberley, Dec 07 2012 (Python) from itertools import count, islice from sympy.ntheory.factor_ import digits def A031035_gen(): return (d for m in count(1) for d in digits(m, 8)[1:]) A031035_list = list(islice(A031035_gen(), 30)) # Chai Wah Wu, Jan 07 2022 CROSSREFS Tables in which the n-th row lists the base b digits of n: A030190 and A030302 (b=2), A003137 and A054635 (b=3), A030373 (b=4), A031219 (b=5), A030548 (b=6), A030998 (b=7), this sequence and A054634 (b=8), A031076 (b=9), A007376 and A033307 (b=10). - Jason Kimberley, Dec 06 2012 Cf. A007094. Sequence in context: A265522 A256298 A256308 * A054634 A346731 A255828 Adjacent sequences: A031032 A031033 A031034 * A031036 A031037 A031038 KEYWORD nonn,base,cons,easy,tabf AUTHOR STATUS approved

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Last modified March 21 22:04 EDT 2023. Contains 361411 sequences. (Running on oeis4.)