A295217 Chromatic invariant of the n X n white bishop graph.

1, 1, 8, 2044, 18475776, 1639348878720

Offset

2,3

Links

Table of n, a(n) for n=2..7.

Eric Weisstein's World of Mathematics, Chromatic Invariant

Eric Weisstein's World of Mathematics, White Bishop Graph

Crossrefs

Cf. A295170.

Sequence in context: A362292 A024112 A092414 * A297950 A298559 A298769

Adjacent sequences: A295214 A295215 A295216 * A295218 A295219 A295220

Keyword

nonn,more

Author

Eric W. Weisstein, Nov 17 2017

Extensions

a(7) from Andrew Howroyd, Apr 23 2018

Status

approved