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A217563 as a simple table

n a(n)
0 1
1 1
2 1
3 0
4 2
5 5
6 4
7 1
8 0
9 0
10 12
11 56
12 111
13 123
14 84
15 36
16 9
17 1
18 0
19 0
20 0
21 128
22 944
23 3264
24 7096
25 10936
26 12687
27 11400
28 8004
29 4368
30 1820
31 560
32 120
33 16
34 1
35 0
36 0
37 0
38 0
39 2000
40 21104
41 109400
42 373920
43 950725
44 1915405
45 3168880
46 4394760
47 5169230
48 5188390
49 4454000

[1,1,1,0,2,5,4,1,0,0,12,56,111,123,84,36,9,1,0,0,
 0,128,944,3264,7096,10936,12687,11400,8004,4368,
 1820,560,120,16,1,0,0,0,0,2000,21104,109400,
 373920,950725,1915405,3168880,4394760,5169230,
 5188390,4454000]

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Last modified September 28 21:22 EDT 2021. Contains 347717 sequences. (Running on oeis4.)