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A291821 as a simple table

n a(n)
1 1
2 2
3 38
4 1245
5 55566
6 3062271
7 197983540
8 14567100211
9 1196032764639
10 108105913233804
11 10651377348228706
12 1135394214204504346
13 130161542660895451934
14 15969338705916554563833
15 2088140238440781625249392
16 289961586742613652475061397
17 42623636996226195002733858964
18 6613842247421357561153219091827
19 1080515428870235624428208631160409
20 185421585676394321869412169323524031

[1,2,38,1245,55566,3062271,197983540,14567100211,
 1196032764639,108105913233804,10651377348228706,
 1135394214204504346,130161542660895451934,
 15969338705916554563833,2088140238440781625249392,
 289961586742613652475061397,
 42623636996226195002733858964,
 6613842247421357561153219091827,
 1080515428870235624428208631160409,
 185421585676394321869412169323524031]

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Last modified December 2 17:33 EST 2023. Contains 367525 sequences. (Running on oeis4.)