A176432 a(n) = Det(M) where M is an n X n matrix with M[i,j] = (i+j)^(i+j).

1, 4, 295, 1123804, 426617588624, 26305269856043508288, 389245361792549353494110384128, 1914052488896530295354369845193677065142272, 4135916249063442625494509182129275645718357035424545767424

Offset

0,2

Links

Table of n, a(n) for n=0..8.

Mathematica

A[i_, j_] := (i + j)^(i + j); a[n_] := Det[Table[A[i, j], {i, n}, {j, n}]]; Table[a[n], {n, 10}]

Crossrefs

Sequence in context: A281535 A110071 A256703 * A278924 A343147 A128904

Adjacent sequences: A176429 A176430 A176431 * A176433 A176434 A176435

Keyword

nonn

Author

José María Grau Ribas, Apr 17 2010

Extensions

a(0)=1 prepended by Alois P. Heinz, Jan 25 2023

Status

approved