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A302107 as a simple table

n a(n)
0 1
1 1
2 1
3 1
4 7
5 211
6 8411
7 412301
8 24894581
9 1832290133
10 162840289853
11 17318483860823
12 2184687906940713
13 323935018037153709
14 55939700211256251813
15 11149440249347239643775
16 2542901827027280314993359
17 658411118385997264277976111
18 192135231563520713206597464479
19 62778202074038700301319695876973
20 22831139565407893815484402030333403

[1,1,1,1,7,211,8411,412301,24894581,1832290133,
 162840289853,17318483860823,2184687906940713,
 323935018037153709,55939700211256251813,
 11149440249347239643775,2542901827027280314993359,
 658411118385997264277976111,
 192135231563520713206597464479,
 62778202074038700301319695876973,
 22831139565407893815484402030333403]

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Last modified January 28 15:47 EST 2023. Contains 359895 sequences. (Running on oeis4.)