A049333 Number of spanning trees in directed graph of spanning trees of the complete directed graph on n vertices.

1, 2, 243, 4951760157141521099596496896

Offset

0,2

Comments

Next term (2^80*3^160*5^369) contains over 300 digits.

References

Athanasiadis, Christos A., "Spectra of some interesting combinatorial matrices related to oriented spanning trees on a directed graph", J. Algebraic Combin. 5 (1996), no. 1, 5-11.

Links

Table of n, a(n) for n=0..3.

Crossrefs

Sequence in context: A013472 A013505 A013478 * A140162 A145712 A259141

Adjacent sequences: A049330 A049331 A049332 * A049334 A049335 A049336

Keyword

nonn

Author

James Propp, Feb 07 2000

Status

approved