The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 9 |
| 4 | 5 |
| 5 | 10 |
| 6 | 60 |
| 7 | 53 |
| 8 | 61 |
| 9 | 549 |
| 10 | 539 |
| 11 | 550 |
| 12 | 6600 |
| 13 | 6587 |
| 14 | 6601 |
| 15 | 99015 |
| 16 | 98999 |
| 17 | 99016 |
| 18 | 1782288 |
| 19 | 1782269 |
| 20 | 1782289 |
| 21 | 37428069 |
| 22 | 37428047 |
| 23 | 37428070 |
| 24 | 898273680 |
| 25 | 898273655 |
| 26 | 898273681 |
| 27 | 24253389387 |
| 28 | 24253389359 |
| 29 | 24253389388 |
| 30 | 727601681640 |
| 31 | 727601681609 |
[1,3,9,5,10,60,53,61,549,539,550,6600,6587,6601, 99015,98999,99016,1782288,1782269,1782289, 37428069,37428047,37428070,898273680,898273655, 898273681,24253389387,24253389359,24253389388, 727601681640,727601681609] |