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A091039 as a simple table

n a(n)
1 1
2 3
3 1
4 7
5 8
6 1
7 15
8 52
9 30
10 1
11 31
12 320
13 756
14 144
15 1
16 63
17 1936
18 18360
19 17856
20 840
21 1
22 127
23 11648
24 441936
25 2156544
26 619200
27 5760
28 1
29 255
30 69952
31 10614240
32 259117056
33 447552000
34 29548800
35 45360
36 1
37 511
38 419840
39 254788416
40 31102009344

[1,3,1,7,8,1,15,52,30,1,31,320,756,144,1,63,1936,
 18360,17856,840,1,127,11648,441936,2156544,619200,
 5760,1,255,69952,10614240,259117056,447552000,
 29548800,45360,1,511,419840,254788416,31102009344]

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Last modified August 10 12:58 EDT 2022. Contains 356039 sequences. (Running on oeis4.)