0,2

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.

Sequence in context: A109930 A013509 A013505 this_sequence A140162 A065664 A024031

Adjacent sequences: A049330 A049331 A049332 this_sequence A049334 A049335 A049336

nonn

James Propp (propp(AT)math.wisc.edu), Feb 07 2000

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