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A197159 as a simple table

n	a(n)
1	1
2	3
3	8
4	25
5	80
6	291
7	1036
8	3875
9	14561
10	55624
11	213951
12	830712
13	3244355
14	12747718
15	50320659

[1,3,8,25,80,291,1036,3875,14561,55624,213951, 830712,3244355,12747718,50320659]

[1,3,8,25,80,291,1036,3875,14561,55624,213951, 830712,3244355,12747718,50320659]

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