The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 17 |
| 2 | 191 |
| 3 | 4373 |
| 4 | 5119 |
| 5 | 524287 |
| 6 | 590489 |
| 7 | 3124999 |
| 8 | 14680063 |
| 9 | 3758096383 |
| 10 | 6973568801 |
| 11 | 34867844009 |
| 12 | 85449218749 |
| 13 | 824633720831 |
| 14 | 1099999999999 |
| 15 | 1618481116086271 |
| 16 | 11577835060199423 |
| 17 | 14999999999999999 |
| 18 | 29311444762388081 |
| 19 | 73123168801259519 |
[17,191,4373,5119,524287,590489,3124999,14680063, 3758096383,6973568801,34867844009,85449218749, 824633720831,1099999999999,1618481116086271, 11577835060199423,14999999999999999, 29311444762388081,73123168801259519] |