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A052786 as a simple table

n a(n)
0 0
1 0
2 0
3 0
4 0
5 0
6 720
7 7560
8 70560
9 680400
10 7015680
11 78004080
12 935542080
13 12074119200
14 167122859904
15 2472036446880
16 38940240568320
17 651087633530880
18 11519998092877824
19 215088381671892480
20 4226801728115404800
21 87218325048627763200
22 1885639117481531596800

[0,0,0,0,0,0,720,7560,70560,680400,7015680,
 78004080,935542080,12074119200,167122859904,
 2472036446880,38940240568320,651087633530880,
 11519998092877824,215088381671892480,
 4226801728115404800,87218325048627763200,
 1885639117481531596800]

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Last modified April 25 16:42 EDT 2024. Contains 371989 sequences. (Running on oeis4.)