A004031
formatted as a simple table:
n
a(n)
0
1
1
1
2
4
3
7
4
33
[1,1,4,7,33]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 16 17:18 EST 2009. Contains 170825 sequences.
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