The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 49 |
| 4 | 91 |
| 5 | 2401 |
| 6 | 637 |
| 7 | 117649 |
| 8 | 1729 |
| 9 | 8281 |
| 10 | 31213 |
| 11 | 282475249 |
| 12 | 12103 |
| 13 | 13841287201 |
| 14 | 1529437 |
| 15 | 405769 |
| 16 | 53599 |
| 17 | 33232930569601 |
| 18 | 157339 |
| 19 | 1628413597910449 |
| 20 | 593047 |
| 21 | 19882681 |
| 22 | 3672178237 |
| 23 | 3909821048582988049 |
| 24 | 375193 |
| 25 | 68574961 |
| 26 | 179936733613 |
| 27 | 2989441 |
| 28 | 29059303 |
| 29 | 459986536544739960976801 |
| 30 | 7709611 |
[1,7,49,91,2401,637,117649,1729,8281,31213, 282475249,12103,13841287201,1529437,405769,53599, 33232930569601,157339,1628413597910449,593047, 19882681,3672178237,3909821048582988049,375193, 68574961,179936733613,2989441,29059303, 459986536544739960976801,7709611] |