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A274303 A bisection of A007346. 1
8, 24, 7680, 64, 3715891200, 194641920, 1428329123020800, 160, 1678343852714360832000, 637770664031457116160000, 4714400748520531002654720000, 2602349213183333113465405440000, 27064431817106664380040216576000000 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Cf. A007346, A002866, A002671.
Sequence in context: A050893 A037025 A105063 * A132586 A208400 A103953
Adjacent sequences: A274300 A274301 A274302 * A274304 A274305 A274306
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 20 2016
STATUS
approved

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Last modified May 22 14:42 EDT 2024. Contains 372755 sequences. (Running on oeis4.)