A001231
formatted as a simple table:
n
a(n)
2
1
3
1
4
1
5
1
6
0
7
1
8
1
9
4
10
0
[1,1,1,1,0,1,1,4,0]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
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