A129094 - OEIS

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A129094 as a simple table

n	a(n)
1	1
2	3
3	9
4	35
5	189
6	1523
7	19409
8	407067
9	14448821
10	886912635
11	95777365753
12	18445977557011
13	6405629912921517
14	4047190499790323395
15	4687597187390655089313
16	10017007133285072336267467

[1,3,9,35,189,1523,19409,407067,14448821, 886912635,95777365753,18445977557011, 6405629912921517,4047190499790323395, 4687597187390655089313,10017007133285072336267467]