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A334003 Number of spanning trees in the graph P_8 x P_n. 3
1, 10864, 59817135, 289143013376, 1342421467113969, 6136973985625588560, 27873182693625548898079, 126231322912498539682594816, 570929651486775190858844600865, 2580716459066338161324165906475056, 11662182187505395757590783332919031887 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 1..200

FORMULA

See Peter Bala's formula in A116469.

MATHEMATICA

a[n_] := Resultant[ChebyshevU[n - 1, x/2], ChebyshevU[7, (4 - x)/2], x]; Array[a, 11] (* Amiram Eldar, May 04 2021 *)

PROG

(PARI) {a(n) = polresultant(polchebyshev(n-1, 2, x/2), polchebyshev(7, 2, (4-x)/2))}

CROSSREFS

Row m=8 of A116469.

Sequence in context: A295993 A185517 A250954 * A214243 A250896 A164824

Adjacent sequences:  A334000 A334001 A334002 * A334004 A334005 A334006

KEYWORD

nonn

AUTHOR

Seiichi Manyama, Apr 12 2020

STATUS

approved

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Last modified January 27 06:18 EST 2022. Contains 350601 sequences. (Running on oeis4.)