A102814
formatted as a simple table:
n
a(n)
-1
1
0
1
1
2
2
4
3
11
4
30
5
103
6
354
7
1440
8
5911
9
27651
10
131062
11
690543
[1,1,2,4,11,30,103,354,1440,5911,27651,131062, 690543]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 9 18:50 EST 2009. Contains 170568 sequences.
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