The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 10 |
| 2 | 81 |
| 3 | 757 |
| 4 | 6561 |
| 5 | 59454 |
| 6 | 531496 |
| 7 | 4788072 |
| 8 | 43046721 |
| 9 | 387480753 |
| 10 | 3486784492 |
| 11 | 31381709148 |
| 12 | 282429556893 |
| 13 | 2541872737062 |
| 14 | 22876792457796 |
| 15 | 205891204134565 |
| 16 | 1853020188851841 |
| 17 | 16677182431460826 |
| 18 | 150094635300957591 |
| 19 | 1350851725033981380 |
| 20 | 12157665459056934471 |
[1,10,81,757,6561,59454,531496,4788072,43046721, 387480753,3486784492,31381709148,282429556893, 2541872737062,22876792457796,205891204134565, 1853020188851841,16677182431460826, 150094635300957591,1350851725033981380, 12157665459056934471] |