The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 64 |
| 2 | 4096 |
| 3 | 262104 |
| 4 | 16776992 |
| 5 | 1073741824 |
| 6 | 68719413208 |
| 7 | 4398046511104 |
| 8 | 281474976710656 |
| 9 | 18014398509481984 |
[64,4096,262104,16776992,1073741824,68719413208, 4398046511104,281474976710656,18014398509481984] |