A358665 Number of (undirected) paths in the 7 X n king graph.

21, 202719, 375341540, 834776217484, 1482823362091281, 2480146959625512771, 3954100866385811897908, 6098277513580967335984126, 9152733286084921835343938561, 13441847550989968623927296910019, 19393111514791549266474890223886106, 27568262002518118100083519899700564808

Offset

1,1

Links

Andrew Howroyd, Table of n, a(n) for n = 1..50

Eric Weisstein's World of Mathematics, Graph Path

Eric Weisstein's World of Mathematics, King Graph

Crossrefs

Row 7 of A307026.

Sequence in context: A172800 A013768 A182149 * A203673 A172854 A143736

Adjacent sequences: A358662 A358663 A358664 * A358666 A358667 A358668

Keyword

nonn

Author

Seiichi Manyama, Dec 12 2022

Extensions

Terms a(8) and beyond from Andrew Howroyd, Jan 28 2023

Status

approved