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A249253 as a simple table

n a(n)
0 1
1 3
2 1
3 12
4 5
5 60
6 28
7 1
8 360
9 180
10 11
11 2520
12 1320
13 105
14 1
15 20160
16 10920
17 1020
18 19
19 181440
20 100800
21 10500
22 276
23 1
24 1814400
25 1028160
26 115920
27 3780
28 29
29 19958400
30 11491200
31 1375920
32 52080
33 595
34 1
35 239500800
36 139708800
37 17539200
38 740880
39 10920
40 41
41 3113510400

[1,3,1,12,5,60,28,1,360,180,11,2520,1320,105,1,
 20160,10920,1020,19,181440,100800,10500,276,1,
 1814400,1028160,115920,3780,29,19958400,11491200,
 1375920,52080,595,1,239500800,139708800,17539200,
 740880,10920,41,3113510400]

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Last modified April 25 16:23 EDT 2024. Contains 371989 sequences. (Running on oeis4.)