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A061123 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 40320
10 403200
11 2217600
12 26611200
13 259459200
14 1695133440
15 16345929600
16 161902540800
17 1208560953600
18 50830132953600
19 866513503215360
20 8470676211379200
21 166891791625977600
22 2699606616475507200

[0,0,0,0,0,0,0,0,40320,403200,2217600,26611200,
 259459200,1695133440,16345929600,161902540800,
 1208560953600,50830132953600,866513503215360,
 8470676211379200,166891791625977600,
 2699606616475507200]

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Last modified April 23 15:20 EDT 2024. Contains 371916 sequences. (Running on oeis4.)