A371202 Number of minimum vertex colorings of the n X n black bishop graph.

1, 2, 12, 528, 109920, 271226880

Offset

1,2

Links

Table of n, a(n) for n=1..6.

Eric Weisstein's World of Mathematics, Black Bishop Graph.

Eric Weisstein's World of Mathematics, Minimum Vertex Coloring.

Crossrefs

Cf. A371203 (white bishop), A371204 (bishop).

Sequence in context: A266501 A264952 A324790 * A050643 A145513 A002860

Adjacent sequences: A371199 A371200 A371201 * A371203 A371204 A371205

Keyword

nonn,more

Author

Eric W. Weisstein, Mar 15 2024

Status

approved