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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 9 |
| 4 | 64 |
| 5 | 625 |
| 6 | 7776 |
| 7 | 117649 |
| 8 | 2097152 |
| 9 | 43046712 |
| 10 | 999999180 |
| 11 | 25937373990 |
| 12 | 743005653984 |
| 13 | 23297946618804 |
| 14 | 793707788417544 |
| 15 | 29192570114517810 |
| 16 | 1152902963147295360 |
| 17 | 48660197610533102880 |
| 18 | 2185856466420637543104 |
| 19 | 104124189019562479248624 |
| 20 | 5242691958381764070687360 |
[0,1,2,9,64,625,7776,117649,2097152,43046712, 999999180,25937373990,743005653984,23297946618804, 793707788417544,29192570114517810, 1152902963147295360,48660197610533102880, 2185856466420637543104,104124189019562479248624, 5242691958381764070687360] |