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A193472 as a simple table

n a(n)
0 1
1 1
2 1
3 3
4 1
5 25
6 1
7 427
8 1
9 12465
10 5
11 555731
12 691
13 35135945
14 7
15 2990414715
16 3617
17 329655706465
18 43867
19 45692713833379
20 174611
21 1111113564712575
22 854513
23 1595024111042171723
24 236364091
25 387863354088927172625
26 8553103
27 110350957750914345093747
28 23749461029

[1,1,1,3,1,25,1,427,1,12465,5,555731,691,35135945,
 7,2990414715,3617,329655706465,43867,
 45692713833379,174611,1111113564712575,854513,
 1595024111042171723,236364091,
 387863354088927172625,8553103,
 110350957750914345093747,23749461029]

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Last modified October 21 19:12 EDT 2019. Contains 328308 sequences. (Running on oeis4.)