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A173881 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 6
8 6
9 1
10 1
11 12
12 36
13 12
14 1
15 1
16 20
17 120
18 120
19 20
20 1
21 1
22 30
23 300
24 600
25 300
26 30
27 1
28 1
29 42
30 630
31 2100
32 2100
33 630
34 42
35 1
36 1
37 56
38 1176
39 5880
40 9800
41 5880
42 1176
43 56
44 1
45 1
46 72
47 2016
48 14112
49 35280
50 35280
51 14112
52 2016
53 72
54 1
55 1
56 90
57 3240
58 30240
59 105840
60 158760

[1,1,1,1,2,1,1,6,6,1,1,12,36,12,1,1,20,120,120,20,
 1,1,30,300,600,300,30,1,1,42,630,2100,2100,630,42,
 1,1,56,1176,5880,9800,5880,1176,56,1,1,72,2016,
 14112,35280,35280,14112,2016,72,1,1,90,3240,30240,
 105840,158760]

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Last modified August 12 05:31 EDT 2020. Contains 336436 sequences. (Running on oeis4.)