A384848 Number of spanning trees in the n X n white bishop graph.

1, 4, 960, 1843200, 719213811120, 1391765093351424000, 1189479898434851932473556992, 4228796210572964243075940986388480000, 11645428233837424031731122865772802780489910560000, 121990507997921730280241882782262561248455235330514092032000000

Offset

2,2

Links

Andrew Howroyd, Table of n, a(n) for n = 2..25

Eric Weisstein's World of Mathematics, Spanning Tree.

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

Prog

(PARI) \\ See A384847 for SpTr, Bishop.
a(n) = SpTr(Bishop(n, 1))

Crossrefs

Cf. A384846, A384847 (black bishop).

Sequence in context: A333502 A202684 A332194 * A364276 A006030 A180268

Adjacent sequences: A384845 A384846 A384847 * A384849 A384850 A384851

Keyword

nonn

Author

Andrew Howroyd, Jun 10 2025

Status

approved