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A068775 Duplicate of A068774 0
0, 0, 0, 8, 40, 240, 1120, 4480, 17280, 65280 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Sequence in context: A051199 A228679 A188234 * A068774 A073955 A264332

Adjacent sequences:  A068772 A068773 A068774 * A068776 A068777 A068778

KEYWORD

dead

STATUS

approved

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Last modified October 18 22:44 EDT 2018. Contains 316327 sequences. (Running on oeis4.)