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A152876 as a simple table

n a(n)
0 1
1 1
2 2
3 4
4 16
5 60
6 288
7 1584
8 10368
9 74880
10 604800
11 5356800
12 51840000
13 544320000
14 6147187200
15 74579097600
16 962415820800
17 13241346048000
18 192255565824000
19 2957575348224000
20 47721518530560000
21 811595019755520000
22 14407079038894080000
23 268390402745794560000

[1,1,2,4,16,60,288,1584,10368,74880,604800,
 5356800,51840000,544320000,6147187200,74579097600,
 962415820800,13241346048000,192255565824000,
 2957575348224000,47721518530560000,
 811595019755520000,14407079038894080000,
 268390402745794560000]

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Last modified April 23 07:16 EDT 2024. Contains 371905 sequences. (Running on oeis4.)