

A030548


Write n in base 6 and juxtapose.


32



1, 2, 3, 4, 5, 1, 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 5, 2, 0, 2, 1, 2, 2, 2, 3, 2, 4, 2, 5, 3, 0, 3, 1, 3, 2, 3, 3, 3, 4, 3, 5, 4, 0, 4, 1, 4, 2, 4, 3, 4, 4, 4, 5, 5, 0, 5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 1, 0, 0, 1, 0, 1, 1, 0, 2, 1, 0, 3, 1, 0, 4, 1, 0, 5, 1, 1, 0, 1, 1, 1, 1
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OFFSET

1,2


COMMENTS

Base 6 analog of what in base 7 is A030998, in base 10 is A007376. In general, the Barbier infinite word base n (in this case, 6).  Jonathan Vos Post, May 13 2007
An irregular table in which the nth row lists the base 6 digits of n.  Jason Kimberley, Dec 07 2012
The base 6 Champernowne constant: It is normal in base 6.  Jason Kimberley, Dec 07 2012


LINKS

Table of n, a(n) for n=1..90.


MATHEMATICA

Flatten@ IntegerDigits[ Range@ 50, 6] (* 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[#, 6] &, 105] (* Robert G. Wilson v, Jul 01 2014 *)


PROG

(MAGMA) &cat[Reverse(IntegerToSequence(n, 6)):n in[1..31]]; // Jason Kimberley, Dec 07 2012


CROSSREFS

Tables in which the nth row lists the base b digits of n: A030190 and A030302 (b=2), A003137 and A054635 (b=3), A030373 (b=4), A031219 (b=5), this sequence (b=6), A030998 (b=7), A031035 and A054634 (b=8), A031076 (b=9), A007376 and A033307 (b=10).  Jason Kimberley, Dec 06 2012
Cf. A030567 for the same table with reversed rows.
Sequence in context: A265518 A256296 A256306 * A346690 A117724 A255826
Adjacent sequences: A030545 A030546 A030547 * A030549 A030550 A030551


KEYWORD

nonn,base,cons,easy,tabf


AUTHOR

Clark Kimberling


EXTENSIONS

Edited by N. J. A. Sloane at the suggestion of Andrew S. Plewe, Aug 23 2007


STATUS

approved



