A302131 Number of (undirected) paths in the n-triangular honeycomb obtuse knight graph.

0, 0, 0, 9, 369, 931320, 1243953489

Offset

1,4

Links

Table of n, a(n) for n=1..7.

Stan Wagon, Graph Theory Problems from Hexagonal and Traditional Chess, The College Mathematics Journal, Vol. 45, No. 4, September 2014, pp. 278-287.

Eric Weisstein's World of Mathematics, Graph Path

Crossrefs

Sequence in context: A195888 A162084 A195518 * A051848 A238561 A290574

Adjacent sequences: A302128 A302129 A302130 * A302132 A302133 A302134

Keyword

nonn,more

Author

Eric W. Weisstein, Apr 02 2018

Status

approved