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A128192 as a simple table

n a(n)
1 1
2 1
3 2
4 6
5 3
6 60
7 360
8 2520
9 1680
10 15120
11 2800
12 831600
13 9979200
14 9266400
15 165110400
16 27243216000
17 27243216000
18 102918816000
19 793945152000
20 355537728000
21 150849578880000
22 22174888095360000
23 3049047113112000
24 43155743754816000

[1,1,2,6,3,60,360,2520,1680,15120,2800,831600,
 9979200,9266400,165110400,27243216000,27243216000,
 102918816000,793945152000,355537728000,
 150849578880000,22174888095360000,
 3049047113112000,43155743754816000]

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Last modified April 25 11:06 EDT 2024. Contains 371967 sequences. (Running on oeis4.)