A002490
formatted as a simple table:
n
a(n)
0
1
1
0
2
2
3
1652
4
119550
[1,0,2,1652,119550]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 13 23:45 EST 2009. Contains 170824 sequences.
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