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A212671
A001037(n)!.
1
1, 2, 1, 2, 6, 720, 362880, 6402373705728000, 265252859812191058636308480000000, 710998587804863451854045647463724949736497978881168458687447040000000000000
OFFSET
0,2
CROSSREFS
Cf. A001037.
Sequence in context: A302190 A114572 A052621 * A131057 A051852 A054495
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 23 2012
STATUS
approved