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A156767 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 10
5 1
6 1
7 126
8 126
9 1
10 1
11 2040
12 25704
13 2040
14 1
15 1
16 40920
17 8347680
18 8347680
19 40920
20 1
21 1
22 982800
23 4021617600
24 65111904000
25 4021617600
26 982800
27 1
28 1
29 27523440
30 2705003683200
31 878482148544000
32 878482148544000
33 2705003683200
34 27523440
35 1

[1,1,1,1,10,1,1,126,126,1,1,2040,25704,2040,1,1,
 40920,8347680,8347680,40920,1,1,982800,4021617600,
 65111904000,4021617600,982800,1,1,27523440,
 2705003683200,878482148544000,878482148544000,
 2705003683200,27523440,1]

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Last modified April 17 23:23 EDT 2024. Contains 371767 sequences. (Running on oeis4.)