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A280378 as a simple table

n a(n)
1 1
2 1
3 2
4 6
5 144
6 1440
7 1036800
8 326592000
9 1463132160000
10 6636767477760000
11 24083501823295488000000
12 278164446059062886400000000
13 133241214725404817086218240000000000
14 1851999588197236795571599048704000000000000
15 79730449087475946864047275218548293632000000000000

[1,1,2,6,144,1440,1036800,326592000,1463132160000,
 6636767477760000,24083501823295488000000,
 278164446059062886400000000,
 133241214725404817086218240000000000,
 1851999588197236795571599048704000000000000,
 79730449087475946864047275218548293632000000000000\
 ]

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)