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A002409 as a simple table

n a(n)
0 1
1 14
2 112
3 672
4 3360
5 14784
6 59136
7 219648
8 768768
9 2562560
10 8200192
11 25346048
12 76038144
13 222265344
14 635043840
15 1778122752
16 4889837568
17 13231325184
18 35283533824
19 92851404800
20 241413652480
21 620777963520
22 1580162088960

[1,14,112,672,3360,14784,59136,219648,768768,
 2562560,8200192,25346048,76038144,222265344,
 635043840,1778122752,4889837568,13231325184,
 35283533824,92851404800,241413652480,620777963520,
 1580162088960]

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Last modified April 19 06:44 EDT 2024. Contains 371782 sequences. (Running on oeis4.)