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A056467 as a simple table

n a(n)
1 0
2 0
3 0
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 720
12 720
13 15120
14 15120
15 191520
16 191520
17 1905120
18 1905120
19 16435440
20 16435440
21 129230640
22 129229920
23 953029440
24 953028720
25 6711344640
26 6711329520
27 45674188560
28 45674173440
29 302899156560
30 302898965040
31 1969147121760
32 1969146930240

[0,0,0,0,0,0,0,0,0,0,720,720,15120,15120,191520,
 191520,1905120,1905120,16435440,16435440,
 129230640,129229920,953029440,953028720,
 6711344640,6711329520,45674188560,45674173440,
 302899156560,302898965040,1969147121760,
 1969146930240]

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Last modified April 23 13:11 EDT 2024. Contains 371913 sequences. (Running on oeis4.)