A002465
formatted as a simple table:
n
a(n)
1
1
2
4
3
26
4
260
5
3368
6
53744
7
1022320
8
22522960
9
565532992
10
15915225216
[1,4,26,260,3368,53744,1022320,22522960,565532992, 15915225216]
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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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