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A063841 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 2
6 1
7 1
8 3
9 4
10 1
11 1
12 4
13 10
14 11
15 1
16 1
17 5
18 20
19 66
20 34
21 1
22 1
23 6
24 35
25 276
26 792
27 156
28 1
29 1
30 7
31 56
32 900
33 10688
34 25506
35 1044
36 1
37 1
38 8
39 84
40 2451
41 90005
42 1601952
43 2302938
44 12346
45 1
46 1
47 9
48 120
49 5831
50 533358
51 43571400
52 892341888
53 591901884
54 274668
55 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 19 02:01 EST 2018. Contains 317332 sequences. (Running on oeis4.)