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A089503 as a simple table

n a(n)
1 1
2 1
3 4
4 1
5 12
6 30
7 1
8 24
9 168
10 336
11 1
12 40
13 540
14 2880
15 5040
16 1
17 60
18 1320
19 13200
20 59400
21 95040
22 1
23 84
24 2730
25 43680
26 360360
27 1441440
28 2162160
29 1
30 112
31 5040
32 117600
33 1528800
34 11007360
35 40360320
36 57657600
37 1
38 144
39 8568
40 274176
41 5140800
42 57576960

[1,1,4,1,12,30,1,24,168,336,1,40,540,2880,5040,1,
 60,1320,13200,59400,95040,1,84,2730,43680,360360,
 1441440,2162160,1,112,5040,117600,1528800,
 11007360,40360320,57657600,1,144,8568,274176,
 5140800,57576960]

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Last modified April 19 10:31 EDT 2024. Contains 371791 sequences. (Running on oeis4.)