A076255 - OEIS

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A076255 as a simple table

n	a(n)
1	11
2	131
3	1511
4	17341
5	198997
6	2283583
7	26205133
8	300715537
9	3450844193
10	39599967967
11	454427199648
12	5214753707584
13	59841612147821
14	686709046151502
15	7880290940381527
16	90429834371744720
17	1037722465625775937

[11,131,1511,17341,198997,2283583,26205133, 300715537,3450844193,39599967967,454427199648, 5214753707584,59841612147821,686709046151502, 7880290940381527,90429834371744720, 1037722465625775937]