OFFSET
1,15
LINKS
Robert Israel, Table of n, a(n) for n = 1..1000
MAPLE
with(combinat): f := (i, j) -> numbpart(i+j-2): A056223 := n->LinearAlgebra:-Determinant(Matrix(n, n, f)); # updated by Robert Israel, Dec 08 2017
CROSSREFS
KEYWORD
sign,easy
AUTHOR
N. J. A. Sloane, Aug 06 2000
STATUS
approved