A189109 - OEIS

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A189109 as a simple table

n	a(n)
1	128
2	16384
3	665252
4	25632120
5	769236480
6	22468298160
7	627097603968
8	17473826493152
9	482087112157728
10	13294185807417600
11	365852404291876320
12	10068572483569131520
13	276973418745622264384
14	7619301201253558633344

[128,16384,665252,25632120,769236480,22468298160, 627097603968,17473826493152,482087112157728, 13294185807417600,365852404291876320, 10068572483569131520,276973418745622264384, 7619301201253558633344]