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A204436 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 6
5 16
6 80
7 384
8 1728
9 12096
10 82080
11 525312
12 4783104
13 41886720
14 349056000
15 3891456000
16 41803776000
17 429981696000
18 5667397632000
19 72153317376000
20 883878137856000
21 13437405757440000
22 197840194965504000
23 2813727217287168000
24 48450827875516416000

[1,1,1,2,6,16,80,384,1728,12096,82080,525312,
 4783104,41886720,349056000,3891456000,41803776000,
 429981696000,5667397632000,72153317376000,
 883878137856000,13437405757440000,
 197840194965504000,2813727217287168000,
 48450827875516416000]

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Last modified May 8 10:08 EDT 2024. Contains 372332 sequences. (Running on oeis4.)