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Search: id:A091479
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A091479 Number of graphs with n nodes. Nodes and edges labeled each from their own label set. +0
2
1, 2, 16, 1957, 9864101, 3554627472076, 138879579704209680022, 828772446866981044847857913441, 1011182700521015817607065606491025592595137 (list; graph; listen)
OFFSET

1,2

FORMULA

a(n) = A000522(A000217(n-1)). - Gerald McGarvey (gerald.mcgarvey(AT)comcast.net), Nov 17 2007

CROSSREFS

Row sums of A091478. Cf. A006125.

Adjacent sequences: A091476 A091477 A091478 this_sequence A091480 A091481 A091482

Sequence in context: A125791 A102103 A060597 this_sequence A016031 A001309 A132569

KEYWORD

nonn

AUTHOR

Christian G. Bower (bowerc(AT)usa.net), Jan 13 2004

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.


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