A212672 Partial products of A212671.

1, 1, 2, 2, 4, 24, 17280, 6270566400, 40146509439381484339200000, 10648976440273061914760324802543763313620156416000000000000

Offset

0,3

Links

Table of n, a(n) for n=0..9.

I. J. Good, The factorization of a sum of matrices and the multivariate cumulants of a set of quadratic expressions, J. Combinatorial Theory Ser. A 11 1971 27--37. MR0274311 (43 #76). See page 30.

Crossrefs

Cf. A001037, A212659, A212671.

Sequence in context: A257612 A009541 A307969 * A362766 A176161 A006829

Adjacent sequences: A212669 A212670 A212671 * A212673 A212674 A212675

Keyword

nonn

Author

N. J. A. Sloane, May 23 2012

Status

approved