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A143019 as a simple table

n a(n)
0 1
1 1
2 6
3 1
4 7
5 30
6 1
7 8
8 38
9 140
10 1
11 9
12 47
13 187
14 630
15 1
16 10
17 57
18 244
19 874
20 2772
21 1
22 11
23 68
24 312
25 1186
26 3958
27 12012
28 1
29 12
30 80
31 392
32 1578
33 5536
34 17548
35 51480
36 1
37 13
38 93
39 485
40 2063
41 7599
42 25147
43 76627
44 218790
45 1
46 14
47 107
48 592
49 2655
50 10254
51 35401
52 112028
53 330818

[1,1,6,1,7,30,1,8,38,140,1,9,47,187,630,1,10,57,
 244,874,2772,1,11,68,312,1186,3958,12012,1,12,80,
 392,1578,5536,17548,51480,1,13,93,485,2063,7599,
 25147,76627,218790,1,14,107,592,2655,10254,35401,
 112028,330818]

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Last modified January 22 12:13 EST 2019. Contains 319363 sequences. (Running on oeis4.)