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A121424 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 3
6 1
7 3
8 7
9 18
10 1
11 4
12 12
13 43
14 170
15 1
16 5
17 18
18 76
19 403
20 2220
21 1
22 6
23 25
24 118
25 711
26 5188
27 37149
28 1
29 7
30 33
31 170
32 1107
33 9054
34 85569
35 758814
36 1
37 8
38 42
39 233
40 1605
41 13986
42 147471
43 1725291
44 18301950
45 1
46 9
47 52
48 308
49 2220
50 20171
51 225363
52 2938176
53 41145705

[1,1,1,1,2,3,1,3,7,18,1,4,12,43,170,1,5,18,76,403,
 2220,1,6,25,118,711,5188,37149,1,7,33,170,1107,
 9054,85569,758814,1,8,42,233,1605,13986,147471,
 1725291,18301950,1,9,52,308,2220,20171,225363,
 2938176,41145705]

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Last modified September 7 11:06 EDT 2024. Contains 375730 sequences. (Running on oeis4.)