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A064319 as a simple table

n a(n)
1 1
2 2
3 2
4 3
5 6
6 12
7 4
8 12
9 72
10 864
11 5
12 20
13 240
14 17280
15 14929920
16 6
17 30
18 600
19 144000
20 2488320000
21 37150418534400000
22 7
23 42
24 1260
25 756000
26 108864000000
27 270888468480000000000
28 10063619980174622195712000000000000000
29 8
30 56

[1,2,2,3,6,12,4,12,72,864,5,20,240,17280,14929920,
 6,30,600,144000,2488320000,37150418534400000,7,42,
 1260,756000,108864000000,270888468480000000000,
 10063619980174622195712000000000000000,8,56]

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Last modified September 12 12:46 EDT 2024. Contains 375851 sequences. (Running on oeis4.)