A109365
formatted as a simple table:
n
a(n)
0
1
1
4
2
15
3
95
4
770
5
9515
6
133705
7
2434740
8
48800455
9
1178409485
10
35589088260
11
1139792430095
12
43489116179135
[1,4,15,95,770,9515,133705,2434740,48800455, 1178409485,35589088260,1139792430095, 43489116179135]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 18 21:37 EST 2009. Contains 171024 sequences.
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