A371204 Number of minimum vertex colorings in the n X n bishop graph.

1, 4, 216, 278784, 17437708800, 73564020434534400

Offset

1,2

Links

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

Eric Weisstein's World of Mathematics, Bishop Graph.

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

Formula

a(n) = A371202(n)*A371203(n).

Crossrefs

Cf. A371202 (black bishop), A371203 (white bishop).

Sequence in context: A055627 A260619 A167888 * A036740 A038786 A268362

Adjacent sequences: A371201 A371202 A371203 * A371205 A371206 A371207

Keyword

nonn,more

Author

Eric W. Weisstein, Mar 15 2024

Status

approved