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A157109 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 9
8 3
9 1
10 1
11 16
12 120
13 4
14 1
15 1
16 50
17 300
18 2300
19 5
20 1
21 1
22 90
23 4005
24 7140
25 58905
26 6
27 1
28 1
29 245
30 10731
31 518665
32 211876
33 1906884
34 7
35 1
36 1
37 448
38 100128
39 1848224
40 102114376
41 7624512
42 74974368
43 8
44 1
45 1
46 1134
47 285390
48 71728020
49 450710001
50 28845440064
51 324540216
52 3477216600
53 9
54 1

[1,1,1,1,2,1,1,9,3,1,1,16,120,4,1,1,50,300,2300,5,
 1,1,90,4005,7140,58905,6,1,1,245,10731,518665,
 211876,1906884,7,1,1,448,100128,1848224,102114376,
 7624512,74974368,8,1,1,1134,285390,71728020,
 450710001,28845440064,324540216,3477216600,9,1]

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Last modified April 17 22:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)