A003288
formatted as a simple table:
n
a(n)
2
4
3
24
4
152
5
1080
6
8152
7
63976
8
518232
9
4299728
10
36360872
11
312284536
[4,24,152,1080,8152,63976,518232,4299728,36360872, 312284536]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 14:50 EST 2009. Contains 167570 sequences.
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