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A209330 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 6
5 1
6 1
7 84
8 84
9 1
10 1
11 1820
12 12870
13 1820
14 1
15 1
16 53130
17 3268760
18 3268760
19 53130
20 1
21 1
22 1947792
23 1251677700
24 9075135300
25 1251677700
26 1947792
27 1
28 1
29 85900584
30 675248872536
31 39049918716424
32 39049918716424
33 675248872536
34 85900584
35 1
36 1

[1,1,1,1,6,1,1,84,84,1,1,1820,12870,1820,1,1,
 53130,3268760,3268760,53130,1,1,1947792,
 1251677700,9075135300,1251677700,1947792,1,1,
 85900584,675248872536,39049918716424,
 39049918716424,675248872536,85900584,1,1]

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Last modified May 6 21:01 EDT 2024. Contains 372297 sequences. (Running on oeis4.)