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A180707 as a simple table

n a(n)
1 1
2 3
3 12
4 60
5 360
6 2418
7 12544
8 58311
9 299520
10 2235324
11 14515200
12 122882760
13 1152592896
14 8365593600
15 81041688000
16 812657664000
17 8244072345600
18 78851793162240
19 701965262389248
20 5040363458592000
21 49476663690854400

[1,3,12,60,360,2418,12544,58311,299520,2235324,
 14515200,122882760,1152592896,8365593600,
 81041688000,812657664000,8244072345600,
 78851793162240,701965262389248,5040363458592000,
 49476663690854400]

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Last modified April 26 07:07 EDT 2024. Contains 371990 sequences. (Running on oeis4.)