A207215 - OEIS

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A207215 as a simple table

n	a(n)
1	3
2	81
3	12534
4	12584703
5	86510224720
6	4019515127529418
7	1256433426475190769775
8	2643803004141585682944365943

[3,81,12534,12584703,86510224720,4019515127529418, 1256433426475190769775, 2643803004141585682944365943]