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A054635
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Champernowne sequence: write n in base 3 and juxtapose.
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18
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0, 1, 2, 1, 0, 1, 1, 1, 2, 2, 0, 2, 1, 2, 2, 1, 0, 0, 1, 0, 1, 1, 0, 2, 1, 1, 0, 1, 1, 1, 1, 1, 2, 1, 2, 0, 1, 2, 1, 1, 2, 2, 2, 0, 0, 2, 0, 1, 2, 0, 2, 2, 1, 0, 2, 1, 1, 2, 1, 2, 2, 2, 0, 2, 2, 1, 2, 2, 2, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 2, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 2, 1, 0, 2, 0, 1, 0, 2, 1
(list;
constant;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,3
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COMMENTS
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Essentially the same as A003137. [From R. J. Mathar, Aug 29 2009]
An irregular table in which the n-th row lists the base 3 digits of n. - Jason Kimberley, Dec 07 2012
The base 3 Champernowne constant: it is normal in base 3. - Jason Kimberley, Dec 07 2012
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LINKS
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_Reinhard Zumkeller_, Rows n = 0..1000 of triangle, flattened
Eric Weisstein's World of Mathematics, Ternary
Eric Weisstein's World of Mathematics, Champernowne Constant
Wikipedia, Ternary numeral system
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PROG
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(MAGMA) [0]cat &cat[Reverse(IntegerToSequence(n, 3)):n in[1..31]]; // Jason Kimberley, Dec 07 2012
(Haskell)
a054635 n k = a054635_tabf !! n !! k
a054635_row n = a054635_tabf !! n
a054635_tabf = map reverse a030341_tabf
a054635_list = concat a054635_tabf
-- Reinhard Zumkeller, Feb 21 2013
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CROSSREFS
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Cf. A007376, A030190, A054637.
Table in which the n-th row lists the base b digits of n: A030190 and A030302 (b=2), A003137 and this sequence (b=3), A030373 (b=4), A031219 (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
Cf. A081604 (row lengths), A053735 (row sums), A030341, A007089, A030341.
Sequence in context: A222759 A024940 A205217 * A003137 A006842 A219967
Adjacent sequences: A054632 A054633 A054634 * A054636 A054637 A054638
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KEYWORD
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nonn,base,cons,easy,tabf
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AUTHOR
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N. J. A. Sloane, Apr 16 2000
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STATUS
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approved
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