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A101214 as a simple table

n a(n)
0 0
1 27648
2 720000
3 7776000
4 51861600
5 252887040
6 987614208
7 3265920000
8 9487368000
9 24839654400
10 59717623680
11 133689523968
12 281719620000
13 563576832000
14 1077621350400
15 1980468817920
16 3514388300928
17 6044699520000
18 10109900304000
19 16487780601600
20 26281368257760

[0,27648,720000,7776000,51861600,252887040,
 987614208,3265920000,9487368000,24839654400,
 59717623680,133689523968,281719620000,
 563576832000,1077621350400,1980468817920,
 3514388300928,6044699520000,10109900304000,
 16487780601600,26281368257760]

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Last modified January 29 10:34 EST 2020. Contains 331337 sequences. (Running on oeis4.)