n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 64 |
3 | 256 |
4 | 16384 |
5 | 65536 |
6 | 1048576 |
7 | 4194304 |
8 | 1073741824 |
9 | 4294967296 |
10 | 68719476736 |
11 | 274877906944 |
12 | 17592186044416 |
13 | 70368744177664 |
14 | 1125899906842624 |
15 | 4503599627370496 |
16 | 4611686018427387904 |
17 | 18446744073709551616 |
18 | 295147905179352825856 |
19 | 1180591620717411303424 |
[1,4,64,256,16384,65536,1048576,4194304, 1073741824,4294967296,68719476736,274877906944, 17592186044416,70368744177664,1125899906842624, 4503599627370496,4611686018427387904, 18446744073709551616,295147905179352825856, 1180591620717411303424] |