A051766
formatted as a simple table:
n
a(n)
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
2
10
27
11
187
12
1103
13
6919
14
37885
15
226580
16
1308449
[0,0,0,0,0,0,0,0,2,27,187,1103,6919,37885,226580, 1308449]
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(
njas@research.att.com
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.
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