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A290783 Number of (non-null) connected induced subgraphs in the n-triangular honeycomb bishop graph. 0
1, 6, 43, 648, 22573, 1631898, 230863663, 63150269964, 33611700618961 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..9.

Eric Weisstein's World of Mathematics, Connected Graph

Eric Weisstein's World of Mathematics, Vertex-Induced Subgraph

CROSSREFS

Sequence in context: A176732 A062266 A217485 * A159604 A090338 A090339

Adjacent sequences:  A290780 A290781 A290782 * A290784 A290785 A290786

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Aug 10 2017

EXTENSIONS

a(8)-a(9) from Andrew Howroyd, Aug 15 2017

STATUS

approved

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Last modified November 18 07:01 EST 2018. Contains 317279 sequences. (Running on oeis4.)