A188355 - OEIS

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A188355 as a simple table

n	a(n)
1	25
2	325
3	1205
4	14477
5	100885
6	1171345
7	11535493
8	136061137
9	1540834589
10	18592832393
11	222616829157
12	2732659664405
13	33554957179729
14	416689678586229
15	5184974750699645
16	64895937068447245
17	813946908435419257

[25,325,1205,14477,100885,1171345,11535493, 136061137,1540834589,18592832393,222616829157, 2732659664405,33554957179729,416689678586229, 5184974750699645,64895937068447245, 813946908435419257]