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A202359 as a simple table

n a(n)
0 1
1 1
2 3
3 18
4 27
5 648
6 68040
7 136080
8 51030
9 653184
10 4849891200
11 203695430400
12 43649020800
13 1466607098880
14 285988384281600
15 8579651528448000
16 15014390174784000
17 64061398079078400
18 2793397263238213632000
19 184364219373722099712000
20 9669452065055354880000
21 46459783282177969127424000
22 16028625232351399348961280000

[1,1,3,18,27,648,68040,136080,51030,653184,
 4849891200,203695430400,43649020800,1466607098880,
 285988384281600,8579651528448000,
 15014390174784000,64061398079078400,
 2793397263238213632000,184364219373722099712000,
 9669452065055354880000,46459783282177969127424000,
 16028625232351399348961280000]

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Last modified January 26 16:03 EST 2022. Contains 350599 sequences. (Running on oeis4.)