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A092415 Determinant of the n X n matrix with entries (X+Y)^n. 1

%I #9 Dec 10 2023 09:19:35

%S 1,2,-17,-2016,6941952,1183818240000,-15226366699929600000,

%T -20905103969704791244800000000,

%U 4118415008134762062658292598964224000000,150638206504104123857462570135784635511078912000000000

%N Determinant of the n X n matrix with entries (X+Y)^n.

%H Robert Israel, <a href="/A092415/b092415.txt">Table of n, a(n) for n = 0..30</a>

%e For n = 3:

%e [2^3, 3^3, 4^3]

%e [3^3, 4^3, 5^3]

%e [4^3, 5^3, 6^3]

%e =

%e [8,27,64]

%e [27,64,125]

%e [64,125,216]

%e with determinant: -2016.

%p f:= n -> LinearAlgebra:-Determinant(Matrix(n,n,(i,j) -> (i+j)^n)):

%p map(f, [$0..12]); # _Robert Israel_, Dec 10 2023

%o (PARI) for(j=0,15,m=matrix(j,j,X,Y,(X+Y)^j); print1(matdet(m), ", "))

%K sign

%O 0,2

%A _Jon Perry_, Mar 22 2004

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Last modified April 16 18:22 EDT 2024. Contains 371750 sequences. (Running on oeis4.)