A002564
formatted as a simple table:
n
a(n)
1
1
2
4
3
1
4
12
5
186
6
4
7
86
8
4860
[1,4,1,12,186,4,86,4860]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 20 00:58 EST 2009. Contains 171054 sequences.
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