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Search: id:A081615
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A081615 Subsequence of A005428 where state = 2. +0
3
1, 2, 3, 14, 21, 47, 158, 237, 533, 1199, 4046, 6069, 13655, 46085, 103691, 1181102, 1771653, 3986219, 102162425, 229865456, 344798184, 517197276, 775795914, 1163693871, 3927466814, 5891200221, 13255200497, 29824201118, 44736301677, 100656678773, 226477527239, 764361654431, 2579720583704, 3869580875556, 5804371313334, 8706556970001, 19589753182502, 29384629773753, 66115416990944, 99173125486416 (list; graph; listen)
OFFSET

0,2

CROSSREFS

Cf. A005428, A081614.

Sequence in context: A041733 A107083 A160218 this_sequence A157903 A024478 A025090

Adjacent sequences: A081612 A081613 A081614 this_sequence A081616 A081617 A081618

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 23 2003

EXTENSIONS

More terms from Hans Havermann (pxp(AT)rogers.com), Apr 23, 2003

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Last modified December 7 08:40 EST 2009. Contains 170430 sequences.


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