A207181 - OEIS

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A207181 as a simple table

n	a(n)
1	81
2	6561
3	248525
4	9196215
5	368714705
6	14960137403
7	600838995529
8	24069606968809
9	965286091829121
10	38732271412245771
11	1553999307045885583
12	62342694966576014475
13	2501032004180975268881
14	100336844251838872157471

[81,6561,248525,9196215,368714705,14960137403, 600838995529,24069606968809,965286091829121, 38732271412245771,1553999307045885583, 62342694966576014475,2501032004180975268881, 100336844251838872157471]