A003840
formatted as a simple table:
n
a(n)
1
2
2
129600
3
50759843097600
4
129182006871144805294080000
5
2154683673871373733440812330742751559680000
[2,129600,50759843097600, 129182006871144805294080000, 2154683673871373733440812330742751559680000]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 19 12:50 EST 2009. Contains 171053 sequences.
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