The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 5 |
| 2 | 7 |
| 3 | 13 |
| 4 | 29 |
| 5 | 73 |
| 6 | 233 |
| 7 | 883 |
| 8 | 4049 |
| 9 | 22013 |
| 10 | 140269 |
| 11 | 1036183 |
| 12 | 8771489 |
| 13 | 84270997 |
| 14 | 910550899 |
| 15 | 10977409981 |
| 16 | 146618640533 |
| 17 | 2155882170713 |
| 18 | 34701120973507 |
| 19 | 608312884303213 |
| 20 | 11560371513545909 |
| 21 | 237170393590520353 |
| 22 | 5232858369551752099 |
| 23 | 123736201926723358439 |
[3,5,7,13,29,73,233,883,4049,22013,140269,1036183, 8771489,84270997,910550899,10977409981, 146618640533,2155882170713,34701120973507, 608312884303213,11560371513545909, 237170393590520353,5232858369551752099, 123736201926723358439] |