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A144547
A bisection of A028666.
1
1, 2880, 758041804800, 13319336815141167562752000, 15354978274323252140217954794120612413440000, 1160183823755957350394353874696058298158177597536388268425216000000, 5744950321305805807513301436668994962443746225944514592041927656983526026246267317780480000000, 1864342934383580231084517260259192252139946430124547822192277172067265954040486594733297802503864086641393952539593932800000000
OFFSET
0,2
CROSSREFS
Sequence in context: A134856 A066407 A184602 * A259403 A241529 A185502
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Dec 30 2008
STATUS
approved