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A221665 as a simple table

n a(n)
1 16
2 256
3 3772
4 63200
5 1048576
6 16777216
7 268281856
8 4294967296
9 68702508544
10 1099511627776
11 17592133540864
12 281474976710656
13 4503599627370496

[16,256,3772,63200,1048576,16777216,268281856,
 4294967296,68702508544,1099511627776,
 17592133540864,281474976710656,4503599627370496]

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Last modified May 25 03:39 EDT 2022. Contains 354047 sequences. (Running on oeis4.)