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A237770 as a simple table

n a(n)
0 1
1 1
2 1
3 2
4 4
5 9
6 22
7 59
8 170
9 516
10 1658
11 5583
12 19683
13 72162
14 274796
15 1082439
16 4406706
17 18484332
18 79818616
19 353995743
20 1611041726
21 7510754022
22 35842380314
23 174850257639
24 871343536591
25 4430997592209
26 22978251206350
27 121410382810005
28 653225968918521

[1,1,1,2,4,9,22,59,170,516,1658,5583,19683,72162,
 274796,1082439,4406706,18484332,79818616,
 353995743,1611041726,7510754022,35842380314,
 174850257639,871343536591,4430997592209,
 22978251206350,121410382810005,653225968918521]

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)