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A151347 formatted as a simple table:

n a(n)
0 1
1 0
2 1
3 1
4 3
5 8
6 19
7 65
8 177
9 611
10 1928
11 6648
12 22928
13 80851
14 292343
15 1063611
16 3957406
17 14818681
18 56339994
19 215943994
20 836246604
21 3265240671
22 12848804154
23 50936668789
24 203235590343
25 816070826188
26 3295317218038
27 13379003847708
28 54588942258042
29 223782828113783
30 921414594957514
31 3809576782931810

[1,0,1,1,3,8,19,65,177,611,1928,6648,22928,80851,
 292343,1063611,3957406,14818681,56339994,
 215943994,836246604,3265240671,12848804154,
 50936668789,203235590343,816070826188,
 3295317218038,13379003847708,54588942258042,
 223782828113783,921414594957514,3809576782931810]

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.


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