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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..50

Eric Weisstein's World of Mathematics, Perfect Matching

Wikipedia, Matching (graph theory)

CROSSREFS

Column k=10 of A181206.

Sequence in context: A145098 A136031 A145097 * A080051 A243316 A072314

Adjacent sequences:  A287051 A287052 A287053 * A287055 A287056 A287057

KEYWORD

nonn

AUTHOR

Alois P. Heinz, May 18 2017

STATUS

approved

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Last modified September 28 13:24 EDT 2020. Contains 337393 sequences. (Running on oeis4.)