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A334005 Number of spanning trees in the graph P_10 x P_n. 3
1, 151316, 9411975375, 490179860527896, 24080189412483072000, 1154617875754582889149500, 54740416599810921320592441119, 2580716459066338161324165906475056, 121316352059447360262303173959408358625, 5694319004079097795957215725765328371712000 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
FORMULA
See Peter Bala's formula in A116469.
MATHEMATICA
a[n_] := Resultant[ChebyshevU[n - 1, x/2], ChebyshevU[9, (4 - x)/2], x]; Array[a, 10] (* Amiram Eldar, May 04 2021 *)
PROG
(PARI) {a(n) = polresultant(polchebyshev(n-1, 2, x/2), polchebyshev(9, 2, (4-x)/2))}
CROSSREFS
Row m=10 of A116469.
Sequence in context: A246285 A344940 A344941 * A367841 A251987 A205662
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Apr 12 2020
STATUS
approved

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Last modified March 29 02:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)