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A063841 formatted as a simple table:

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 3
8 4
9 1
10 1
11 4
12 10
13 11
14 1
15 1
16 5
17 20
18 66
19 34
20 1
21 1
22 6
23 35
24 276
25 792
26 156
27 1
28 1
29 7
30 56
31 900
32 10688
33 25506
34 1044
35 1
36 1
37 8
38 84
39 2451
40 90005
41 1601952
42 2302938
43 12346
44 1
45 1
46 9
47 120
48 5831
49 533358
50 43571400
51 892341888
52 591901884
53 274668
54 1

[1,1,1,1,2,1,1,3,4,1,1,4,10,11,1,1,5,20,66,34,1,1,
 6,35,276,792,156,1,1,7,56,900,10688,25506,1044,1,
 1,8,84,2451,90005,1601952,2302938,12346,1,1,9,120,
 5831,533358,43571400,892341888,591901884,274668,
 1]

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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