A186578 - OEIS

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A186578 as a simple table

n	a(n)
1	1953125
2	845
3	23197
4	441869
5	1310469
6	1673469
7	2481269
8	4583469
9	11621669
10	47205469
11	171584469
12	518633869
13	1869857669
14	5867355069
15	16498082869
16	56557420269

[1953125,845,23197,441869,1310469,1673469,2481269, 4583469,11621669,47205469,171584469,518633869, 1869857669,5867355069,16498082869,56557420269]