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A287054
Number of perfect matchings in the graph P_2 X P_10 X P_n.
2
1, 89, 326041, 422983905, 732106008249, 1176040842289105, 1934824269280528177, 3165986817537284900809, 5192364005728133102693809, 8513244230416326065909810345, 13961976233873461322297385441657, 22898547721543876821935695804773817
OFFSET
0,2
LINKS
Eric Weisstein's World of Mathematics, Perfect Matching
CROSSREFS
Column k=10 of A181206.
Sequence in context: A145098 A136031 A145097 * A080051 A243316 A072314
KEYWORD
nonn
AUTHOR
Alois P. Heinz, May 18 2017
STATUS
approved