A290933 Number of edge covers in the n-sun graph.

198, 4900, 240312, 23395376, 4531118784, 1749027373184, 1347335578414080, 2073100143249356800, 6374782039282565480448, 39187907355886437009522688, 481684681120059363288611291136, 11839809344351753924631214042382336, 582001612807237989283840810619309654016

Offset

3,1

Links

Table of n, a(n) for n=3..15.

Eric Weisstein's World of Mathematics, Edge Cover.

Eric Weisstein's World of Mathematics, Sun Graph.

Crossrefs

Cf. A192856, A290763, A377770.

Sequence in context: A224452 A227705 A331098 * A278017 A348602 A270849

Adjacent sequences: A290930 A290931 A290932 * A290934 A290935 A290936

Keyword

nonn

Author

Andrew Howroyd, Aug 14 2017

Extensions

a(8) onwards from Andrew Howroyd, Dec 12 2024

Status

approved