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 A031219 Write n in base 5 and juxtapose. 30
 1, 2, 3, 4, 1, 0, 1, 1, 1, 2, 1, 3, 1, 4, 2, 0, 2, 1, 2, 2, 2, 3, 2, 4, 3, 0, 3, 1, 3, 2, 3, 3, 3, 4, 4, 0, 4, 1, 4, 2, 4, 3, 4, 4, 1, 0, 0, 1, 0, 1, 1, 0, 2, 1, 0, 3, 1, 0, 4, 1, 1, 0, 1, 1, 1, 1, 1, 2, 1, 1, 3, 1, 1, 4, 1, 2, 0, 1, 2, 1, 1, 2, 2, 1, 2, 3, 1, 2, 4, 1 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS An irregular table in which the n-th row lists the base 5 digits of n. - Jason Kimberley, Dec 07 2012 The base 5 Champernowne constant: it is normal in base 5. - Jason Kimberley, Dec 07 2012 LINKS MATHEMATICA Flatten@ IntegerDigits[ Range@ 40, 5] (* 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[ a[#, 5] &, 105] (* Robert G. Wilson v, Jul 01 2014 *) PROG (MAGMA) &cat[Reverse(IntegerToSequence(n, 5)):n in[1..31]]; // Jason Kimberley, Dec 07 2012 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), this sequence (b=5), A030548 (b=6), A030998 (b=7), A031035 and A054634 (b=8), A031076 (b=9), A007376 and A033307 (b=10). - Jason Kimberley, Dec 06 2012 Sequence in context: A256295 A179078 A256305 * A346689 A071498 A255825 Adjacent sequences:  A031216 A031217 A031218 * A031220 A031221 A031222 KEYWORD nonn,base,cons,easy,tabf AUTHOR STATUS approved

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Last modified November 28 06:42 EST 2021. Contains 349401 sequences. (Running on oeis4.)