A057451 - OEIS

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A057451 as a simple table

n	a(n)
1	6
2	13
3	41
4	179
5	1063
6	8527
7	87803
8	1128889
9	17624813
10	326851121
11	7069067389
12	175650481151
13	4952019383323
14	156740126985437
15	5519908106212193
16	214616508361122337
17	9150317141480822981

[6,13,41,179,1063,8527,87803,1128889,17624813, 326851121,7069067389,175650481151,4952019383323, 156740126985437,5519908106212193, 214616508361122337,9150317141480822981]