A120053
formatted as a simple table:
n
a(n)
0
0
1
0
2
0
3
0
4
3
5
63
6
865
7
11068
8
133862
9
1563465
10
17836903
11
200051717
12
2214357712
13
24255601105
14
263439785143
[0,0,0,0,3,63,865,11068,133862,1563465,17836903, 200051717,2214357712,24255601105,263439785143]
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified December 11 12:57 EST 2009. Contains 170656 sequences.
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