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A364506 as a simple table

n a(n)
0 1
1 1
2 2
3 1
4 6
5 6
6 1
7 40
8 90
9 20
10 1
11 350
12 5880
13 1680
14 70
15 1
16 3528
17 594594
18 1101100
19 34650
20 252
21 1
22 38808
23 75088728
24 1299170600
25 229265400
26 756756
27 924
28 1
29 453024
30 10861066216
31 2066315135040
32 3164045050530
33 50678855040
34 17153136
35 3432
36 1
37 5521230
38 1721929279200
39 3943172216808000

[1,1,2,1,6,6,1,40,90,20,1,350,5880,1680,70,1,3528,
 594594,1101100,34650,252,1,38808,75088728,
 1299170600,229265400,756756,924,1,453024,
 10861066216,2066315135040,3164045050530,
 50678855040,17153136,3432,1,5521230,1721929279200,
 3943172216808000]

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Last modified June 7 20:29 EDT 2024. Contains 373206 sequences. (Running on oeis4.)