A155658 - OEIS

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A155658 as a simple table

n	a(n)
0	1
1	17
2	169
3	1673
4	17041
5	177857
6	1889209
7	20310713
8	220123681
9	2398301297
10	26219899849
11	287288997353
12	3152269663921
13	34619601154337
14	380428056656089
15	4181995730925593
16	45982962794141761
17	505679659013280977

[1,17,169,1673,17041,177857,1889209,20310713, 220123681,2398301297,26219899849,287288997353, 3152269663921,34619601154337,380428056656089, 4181995730925593,45982962794141761, 505679659013280977]