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A230053 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 48
5 1440
6 414720
7 4180377600
8 13869489586176000
9 521817332305350780518400000
10 72373400562952038729626622187536384000000000
11 415422642927888257689749131592471020852730170822782196121600000000000000 

[1,1,2,6,48,1440,414720,4180377600,
 13869489586176000,521817332305350780518400000,
 72373400562952038729626622187536384000000000,
 41542264292788825768974913159247102085273017082278\
 2196121600000000000000]

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Last modified April 24 04:14 EDT 2024. Contains 371918 sequences. (Running on oeis4.)