cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A334005 Number of spanning trees in the graph P_10 x P_n.

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%I A334005 #27 May 04 2021 03:11:16
%S A334005 1,151316,9411975375,490179860527896,24080189412483072000,
%T A334005 1154617875754582889149500,54740416599810921320592441119,
%U A334005 2580716459066338161324165906475056,121316352059447360262303173959408358625,5694319004079097795957215725765328371712000
%N A334005 Number of spanning trees in the graph P_10 x P_n.
%H A334005 Seiichi Manyama, <a href="/A334005/b334005.txt">Table of n, a(n) for n = 1..200</a>
%F A334005 See _Peter Bala_'s formula in A116469.
%t A334005 a[n_] := Resultant[ChebyshevU[n - 1, x/2], ChebyshevU[9, (4 - x)/2], x]; Array[a, 10] (* _Amiram Eldar_, May 04 2021 *)
%o A334005 (PARI) {a(n) = polresultant(polchebyshev(n-1, 2, x/2), polchebyshev(9, 2, (4-x)/2))}
%Y A334005 Row m=10 of A116469.
%K A334005 nonn
%O A334005 1,2
%A A334005 _Seiichi Manyama_, Apr 12 2020