A370228 Number of chordless cycles in the n-triangular honeycomb bishop graph.

0, 0, 1, 7, 39, 237, 1734, 15450, 165682, 2102614, 31015311

Offset

1,4

Links

Table of n, a(n) for n=1..11.

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, Chordless Cycle

Crossrefs

Sequence in context: A155589 A071082 A122884 * A139173 A219437 A219138

Adjacent sequences: A370225 A370226 A370227 * A370229 A370230 A370231

Keyword

nonn,more

Author

Eric W. Weisstein, Feb 12 2024

Status

approved