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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 13 |
| 5 | 18 |
| 6 | 31 |
| 7 | 80 |
| 8 | 2271 |
| 9 | 4622 |
| 10 | 6893 |
| 11 | 11515 |
| 12 | 29923 |
| 13 | 41438 |
| 14 | 71361 |
| 15 | 184160 |
| 16 | 5227841 |
| 17 | 10639842 |
| 18 | 15867683 |
| 19 | 26507525 |
| 20 | 68882733 |
| 21 | 95390258 |
| 22 | 164272991 |
| 23 | 423936240 |
| 24 | 12034487711 |
| 25 | 24492911662 |
| 26 | 36527399373 |
| 27 | 61020311035 |
| 28 | 158568021443 |
| 29 | 219588332478 |
[1,2,3,5,13,18,31,80,2271,4622,6893,11515,29923, 41438,71361,184160,5227841,10639842,15867683, 26507525,68882733,95390258,164272991,423936240, 12034487711,24492911662,36527399373,61020311035, 158568021443,219588332478] |