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A235595 as a simple table

n a(n)
2 1
3 1
4 2
5 1
6 9
7 6
8 1
9 40
10 60
11 24
12 1
13 195
14 560
15 420
16 120
17 1
18 1056
19 5550
20 6240
21 3240
22 720
23 1
24 6321
25 59472
26 94710
27 68880
28 27720
29 5040
30 1
31 41392
32 692440
33 1527456
34 1426320
35 792960
36 262080
37 40320
38 1
39 293607
40 8753040
41 26418168
42 30560544
43 21213360
44 9676800
45 2721600
46 362880
47 1
48 2237920
49 119723130
50 490458240
51 691331760
52 570810240
53 323114400
54 125798400
55 30844800
56 3628800

[1,1,2,1,9,6,1,40,60,24,1,195,560,420,120,1,1056,
 5550,6240,3240,720,1,6321,59472,94710,68880,27720,
 5040,1,41392,692440,1527456,1426320,792960,262080,
 40320,1,293607,8753040,26418168,30560544,21213360,
 9676800,2721600,362880,1,2237920,119723130,
 490458240,691331760,570810240,323114400,125798400,
 30844800,3628800]

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Last modified September 17 18:03 EDT 2024. Contains 375990 sequences. (Running on oeis4.)