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A143018 as a simple table

n a(n)
2 1
3 3
4 1
5 16
6 6
7 1
8 105
9 41
10 9
11 1
12 768
13 306
14 75
15 12
16 1
17 6006
18 2422
19 630
20 118
21 15
22 1
23 49152
24 19980
25 5394
26 1104
27 170
28 18
29 1
30 415701
31 169941
32 47061
33 10197
34 1755
35 231
36 21
37 1
38 3604480
39 1479786
40 417439
41 94116
42 17425
43 2610
44 301
45 24
46 1

[1,3,1,16,6,1,105,41,9,1,768,306,75,12,1,6006,
 2422,630,118,15,1,49152,19980,5394,1104,170,18,1,
 415701,169941,47061,10197,1755,231,21,1,3604480,
 1479786,417439,94116,17425,2610,301,24,1]

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Last modified February 16 18:53 EST 2019. Contains 320165 sequences. (Running on oeis4.)