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Search: id:A035054
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A035054 Number of forests of identical trees. +0
1
1, 1, 2, 2, 4, 4, 9, 12, 27, 49, 111, 236, 562, 1302, 3172, 7746, 19347, 48630, 123923, 317956, 823178, 2144518, 5623993, 14828075, 39300482, 104636894, 279794753, 751065509, 2023446206, 5469566586, 14830879661, 40330829031, 109972429568 (list; graph; listen)
OFFSET

0,3

LINKS

N. J. A. Sloane, Transforms

FORMULA

Inverse Moebius transform of A000055.

CROSSREFS

Cf. A005195.

Sequence in context: A074818 A110199 A053656 this_sequence A099537 A109525 A114338

Adjacent sequences: A035051 A035052 A035053 this_sequence A035055 A035056 A035057

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Oct 15 1998.

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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