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A057731 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 3
6 2
7 1
8 9
9 8
10 6
11 1
12 25
13 20
14 30
15 24
16 20
17 1
18 75
19 80
20 180
21 144
22 240
23 1
24 231
25 350
26 840
27 504
28 1470
29 720
30 0
31 0
32 504
33 0
34 420
35 1
36 763
37 1232
38 5460
39 1344
40 10640
41 5760
42 5040
43 0
44 4032
45 0
46 3360
47 0
48 0
49 2688
50 1
51 2619
52 5768
53 30996
54 3024
55 83160
56 25920
57 45360
58 40320
59 27216
60 0
61 30240
62 0
63 25920
64 24192
65 0
66 0
67 0
68 0
69 18144

[1,1,1,1,3,2,1,9,8,6,1,25,20,30,24,20,1,75,80,180,
 144,240,1,231,350,840,504,1470,720,0,0,504,0,420,
 1,763,1232,5460,1344,10640,5760,5040,0,4032,0,
 3360,0,0,2688,1,2619,5768,30996,3024,83160,25920,
 45360,40320,27216,0,30240,0,25920,24192,0,0,0,0,
 18144]

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Last modified April 24 16:25 EDT 2024. Contains 371961 sequences. (Running on oeis4.)