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A215561 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 1
9 1
10 1
11 1
12 2
13 3
14 1
15 1
16 1
17 5
18 30
19 7
20 1
21 1
22 1
23 14
24 420
25 403
26 35
27 1
28 1
29 1
30 42
31 6930
32 40350
33 18720
34 139
35 1
36 1
37 1
38 132
39 126126
40 5223915
41 19369350
42 746192
43 1001
44 1
45 1
46 1
47 429
48 2450448
49 783353872
50 27032968200
51 9212531290
52 71892912
53 5701
54 1

[1,1,1,1,1,1,1,1,1,1,1,1,2,3,1,1,1,5,30,7,1,1,1,
 14,420,403,35,1,1,1,42,6930,40350,18720,139,1,1,1,
 132,126126,5223915,19369350,746192,1001,1,1,1,429,
 2450448,783353872,27032968200,9212531290,71892912,
 5701,1]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)