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Search: id:A134760
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A134760 a(n) = 2*A000984(n) - 1 +0
2
1, 3, 11, 39, 139, 503, 1847, 6863, 25739, 97239, 369511, 1410863, 5408311, 20801199 (list; graph; listen)
OFFSET

0,2

COMMENT

Inverse binomial transform of A134760 = A134761: (the sequence interpolated with ones): (1, 1, 3, 1, 11, 1, 39, 1, 139,...).

EXAMPLE

a(3) = 39 = 2*A000984(3) - 1 = 2*20 - 1.

CROSSREFS

Cf. A000984, A134761.

Adjacent sequences: A134757 A134758 A134759 this_sequence A134761 A134762 A134763

Sequence in context: A089579 A002783 A007482 this_sequence A132889 A066979 A136775

KEYWORD

nonn

AUTHOR

Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 09 2007

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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