A193154 Numbers of spanning trees of the triangular graphs.

1, 3, 384, 2048000, 518400000000, 7192939211224252416, 6266608900058816862941609984, 388040545518272905743826242144898646016, 1911283738799704422875920401026220178381209600000000

Offset: 2

Author

Eric W. Weisstein, Jul 16 2011

Keywords

• nonn

Comments

Triangular graphs are defined for n>=2.

Links

• Alois P. Heinz, Table of n, a(n) for n = 2..20
• Eric Weisstein's World of Mathematics, Spanning Tree
• Eric Weisstein's World of Mathematics, Triangular Graph