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A193154
Numbers of spanning trees of the triangular graphs.
2
1, 3, 384, 2048000, 518400000000, 7192939211224252416, 6266608900058816862941609984, 388040545518272905743826242144898646016, 1911283738799704422875920401026220178381209600000000
OFFSET
2,2
COMMENTS
Triangular graphs are defined for n>=2.
LINKS
Eric Weisstein's World of Mathematics, Spanning Tree
Eric Weisstein's World of Mathematics, Triangular Graph
CROSSREFS
Sequence in context: A316950 A317730 A193131 * A120061 A187942 A244670
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Jul 16 2011
STATUS
approved