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A032057 as a simple table

n a(n)
1 2
2 2
3 12
4 174
5 2880
6 67560
7 1905960
8 63251370
9 2418101280
10 104707709820
11 5063563002960
12 270496771471080
13 15820958657223720
14 1005528154974983640
15 69006386355388962480
16 5085661679602382028150

[2,2,12,174,2880,67560,1905960,63251370,
 2418101280,104707709820,5063563002960,
 270496771471080,15820958657223720,
 1005528154974983640,69006386355388962480,
 5085661679602382028150]

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Last modified April 20 11:40 EDT 2024. Contains 371838 sequences. (Running on oeis4.)