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A047762 formatted as a simple table:

n a(n)
1 0
2 0
3 0
4 0
5 1
6 0
7 6
8 0
9 32
10 0
11 176
12 0
13 952
14 0
15 5302
16 0
17 29960
18 0
19 172536
20 0
21 1007575
22 0
23 5959656
24 0
25 35622384
26 0
27 214875104
28 0
29 1306303424
30 0
31 7995896502
32 0
33 49236826080
34 0
35 304799714960
36 0
37 1895785216039
38 0
39 11841367945110
40 0
41 74245791718824

[0,0,0,0,1,0,6,0,32,0,176,0,952,0,5302,0,29960,0,
 172536,0,1007575,0,5959656,0,35622384,0,214875104,
 0,1306303424,0,7995896502,0,49236826080,0,
 304799714960,0,1895785216039,0,11841367945110,0,
 74245791718824]

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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