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A290933 Number of edge covers in the n-sun graph. 1
198, 4900, 240312, 23395376, 4531118784 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..7.

Eric Weisstein's World of Mathematics, Edge Cover

Eric Weisstein's World of Mathematics, Sun Graph

CROSSREFS

Cf. A192856, A290763.

Sequence in context: A075457 A224452 A227705 * A278017 A270849 A324454

Adjacent sequences:  A290930 A290931 A290932 * A290934 A290935 A290936

KEYWORD

nonn,more

AUTHOR

Andrew Howroyd, Aug 14 2017

STATUS

approved

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Last modified June 25 22:14 EDT 2019. Contains 324357 sequences. (Running on oeis4.)