A001200
formatted as a simple table:
n
a(n)
0
1
1
1
2
1
3
2
4
3
5
5
6
10
7
24
8
69
9
384
10
5250
11
232929
12
28872973
[1,1,1,2,3,5,10,24,69,384,5250,232929,28872973]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 9 14:43 EST 2009. Contains 170430 sequences.
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