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A054724 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 1
6 3
7 1
8 1
9 1
10 1
11 7
12 7
13 14
14 7
15 7
16 1
17 1
18 1
19 1
20 15
21 35
22 140
23 273
24 553
25 715
26 870
27 715
28 553
29 273
30 140
31 35
32 15
33 1
34 1
35 1
36 1
37 31
38 155
39 1240
40 6293
41 28861
42 105183
43 330460
44 876525
45 2020239
46 4032015
47 7063784
48 10855425
49 14743445
50 17678835
51 18796230

[1,1,1,1,1,3,1,1,1,1,7,7,14,7,7,1,1,1,1,15,35,140,
 273,553,715,870,715,553,273,140,35,15,1,1,1,1,31,
 155,1240,6293,28861,105183,330460,876525,2020239,
 4032015,7063784,10855425,14743445,17678835,
 18796230]

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Last modified February 20 22:47 EST 2020. Contains 332086 sequences. (Running on oeis4.)