A021054 - OEIS

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A021054 as a simple table

n	a(n)
0	1
1	17
2	212
3	2422
4	26943
5	297339
6	3273754
7	36020624
8	396255365
9	4358895541
10	47948112576
11	527430027306
12	5801732675467
13	63819066571823
14	702009753747878
15	7722107355665668
16	84943181105770449
17	934374992744081385

[1,17,212,2422,26943,297339,3273754,36020624, 396255365,4358895541,47948112576,527430027306, 5801732675467,63819066571823,702009753747878, 7722107355665668,84943181105770449, 934374992744081385]