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A102078
Second column of triangle A014784.
1
0, 1, 3, 12, 69, 552, 5901, 81444, 1411197, 30006624, 768410349, 23329316316, 828656935485, 34046249891736, 1602162894386157, 85614553733396628, 5155811948641383933, 347560275319797255888, 26069526814633439369325
OFFSET
1,3
CROSSREFS
Sequence in context: A144008 A244610 A187007 * A113341 A125862 A077460
KEYWORD
nonn
AUTHOR
Ralf Stephan, Jan 03 2005
STATUS
approved