A125291 - OEIS

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A125291

Number of partitions of n into positive digit values of its ternary representation.

7

1, 1, 1, 1, 3, 1, 4, 1, 1, 1, 6, 1, 1, 8, 8, 9, 9, 1, 10, 1, 11, 12, 12, 1, 13, 1, 1, 1, 15, 1, 1, 17, 17, 18, 18, 1, 1, 20, 1, 1, 21, 22, 22, 23, 23, 24, 24, 25, 25, 26, 26, 27, 27, 1, 28, 1, 29, 30, 30, 1, 31, 1, 32, 33, 33, 34, 34, 35, 35, 36, 36, 1, 37, 1, 38, 39, 39, 1, 40, 1, 1, 1, 42

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OFFSET

1,5

COMMENTS

a(A125292(n))=1; a(A125293(n))=floor((n+2)/2)=A008619(n).

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Ternary

FORMULA

a(n) = 1 + floor(n/2) * (1 - 0^(A062756(n)*A081603(n))).

CROSSREFS

Cf. A007089, A061827.

Sequence in context: A079668 A144211 A260510 * A320640 A055187 A217780

Adjacent sequences: A125288 A125289 A125290 * A125292 A125293 A125294

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Nov 26 2006

STATUS

approved