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A068204 as a simple table

n a(n)
1 0
2 4
3 120
4 3596
5 107760
6 3229204
7 96768360
8 2899821596
9 86897879520
10 2604036564004
11 78034199040600
12 2338421934653996
13 70074623840579280
14 2099900293282724404
15 62926934174641152840
16 1885708124945951860796

[0,4,120,3596,107760,3229204,96768360,2899821596,
 86897879520,2604036564004,78034199040600,
 2338421934653996,70074623840579280,
 2099900293282724404,62926934174641152840,
 1885708124945951860796]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)