A249893 - OEIS

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A249893 as a simple table

n	a(n)
1	2
2	25
3	256
4	256036
5	2560361612769
6	256036161276932002260000001
7	256036161276932002260000001607597862784080913990785121

[2,25,256,256036,2560361612769, 256036161276932002260000001, 25603616127693200226000000160759786278408091399078\ 5121]