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A290765 Number of (non-null) connected induced subgraphs in the n X n knight graph. 1
1, 4, 58, 16790, 10976541, 17934472404, 115038147988542, 3086974276257455630 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Connected Graph

Eric Weisstein's World of Mathematics, Knight Graph

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

CROSSREFS

Sequence in context: A109056 A326944 A155204 * A144992 A198511 A282040

Adjacent sequences:  A290762 A290763 A290764 * A290766 A290767 A290768

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Aug 10 2017

EXTENSIONS

a(6)-a(8) from Andrew Howroyd, Aug 15 2017

STATUS

approved

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Last modified April 7 13:36 EDT 2020. Contains 333305 sequences. (Running on oeis4.)