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A303489 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 1
5 6
6 1
7 1
8 8
9 60
10 1
11 1
12 10
13 105
14 840
15 1
16 1
17 12
18 162
19 1920
20 15120
21 1
22 1
23 14
24 231
25 3640
26 45045
27 332640
28 1
29 1
30 16
31 312
32 6144
33 104720
34 1290240
35 8648640
36 1
37 1
38 18
39 405
40 9576
41 208845
42 3674160
43 43648605
44 259459200
45 1
46 1
47 20
48 510
49 14080
50 375000
51 8648640
52 152152000
53 1703116800
54 8821612800

[1,1,1,1,1,6,1,1,8,60,1,1,10,105,840,1,1,12,162,
 1920,15120,1,1,14,231,3640,45045,332640,1,1,16,
 312,6144,104720,1290240,8648640,1,1,18,405,9576,
 208845,3674160,43648605,259459200,1,1,20,510,
 14080,375000,8648640,152152000,1703116800,
 8821612800]

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Last modified July 13 19:40 EDT 2024. Contains 374286 sequences. (Running on oeis4.)