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A146225 as a simple table

n a(n)
1 1
2 1
3 1
4 1
5 9
6 13
7 39
8 69
9 2575
10 6405
11 191203
12 599559
13 31751065
14 124920743
15 19072164165
16 96207487051
17 23729375699967
18 150729249130871
19 86943333060607105
20 701895334984042253
21 791712727158897187729

[1,1,1,1,9,13,39,69,2575,6405,191203,599559,
 31751065,124920743,19072164165,96207487051,
 23729375699967,150729249130871,86943333060607105,
 701895334984042253,791712727158897187729]

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Last modified January 21 18:19 EST 2022. Contains 350479 sequences. (Running on oeis4.)