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Search: id:A081848
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A081848 Number of numbers with property that their base 3/2 expansion (see A024629) has n digits. +0
4
3, 3, 3, 6, 9, 12, 18, 27, 42, 63, 93, 141, 210, 315, 474, 711, 1065, 1599, 2397, 3597, 5394, 8091, 12138, 18207, 27309, 40965, 61446, 92169, 138255, 207381, 311073, 466608, 699912, 1049868, 1574802, 2362203, 3543306, 5314959, 7972437, 11958657 (list; graph; listen)
OFFSET

0,1

LINKS

J. S. Tanton, A collection of research problems

EXAMPLE

a(1) = 3 because 0, 1 and 2 each have 1 digit.

CROSSREFS

Is this the same as 3*A073941?

Sequence in context: A141094 A132972 A113920 this_sequence A079988 A061021 A126608

Adjacent sequences: A081845 A081846 A081847 this_sequence A081849 A081850 A081851

KEYWORD

easy,nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 13 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), Jun 28 2004

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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