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A320101 as a simple table

n a(n)
1 1
2 1
3 2
4 1
5 5
6 43
7 1
8 15
9 463
10 16372
11 1
12 50
13 5193
14 583199
15 65485654
16 1
17 175
18 58653
19 20788249
20 7354266811
21 2602065897364
22 1
23 625
24 663203
25 741026781
26 825905301851 

[1,1,2,1,5,43,1,15,463,16372,1,50,5193,583199,
 65485654,1,175,58653,20788249,7354266811,
 2602065897364,1,625,663203,741026781,825905301851]

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Last modified August 15 03:10 EDT 2024. Contains 375172 sequences. (Running on oeis4.)