A249897 - OEIS

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A249897 as a simple table

n	a(n)
1	7
2	729
3	729316
4	7293164743396
5	72931647433968832639882896
6	72931647433968832639882896319584064899663299793041401

[7,729,729316,7293164743396, 72931647433968832639882896, 72931647433968832639882896319584064899663299793041\ 401]