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A067962 as a simple table

n a(n)
0 1
1 2
2 12
3 180
4 7200
5 748800
6 204422400
7 145957593600
8 272940700032000
9 1336044726656640000
10 17122749216831498240000
11 574502481723130428948480000
12 50464872497041500009263431680000
13 11605406728144633757130311383449600000

[1,2,12,180,7200,748800,204422400,145957593600,
 272940700032000,1336044726656640000,
 17122749216831498240000,
 574502481723130428948480000,
 50464872497041500009263431680000,
 11605406728144633757130311383449600000]

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Last modified February 22 12:33 EST 2020. Contains 332136 sequences. (Running on oeis4.)