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A130847 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 3
4 5
5 2
6 15
7 42
8 37
9 10
10 105
11 450
12 699
13 458
14 104
15 945
16 5775
17 13845
18 16065
19 8866
20 1816
21 10395
22 85995
23 293265
24 522345
25 506028
26 248660
27 47312

[1,1,1,3,5,2,15,42,37,10,105,450,699,458,104,945,
 5775,13845,16065,8866,1816,10395,85995,293265,
 522345,506028,248660,47312]

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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