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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 5 |
| 5 | 7 |
| 6 | 17 |
| 7 | 26 |
| 8 | 62 |
| 9 | 99 |
| 10 | 233 |
| 11 | 382 |
| 12 | 890 |
| 13 | 1486 |
| 14 | 3434 |
| 15 | 5812 |
| 16 | 13340 |
| 17 | 22819 |
| 18 | 52073 |
| 19 | 89846 |
| 20 | 204002 |
| 21 | 354522 |
| 22 | 801422 |
| 23 | 1401292 |
| 24 | 3155300 |
| 25 | 5546382 |
| 26 | 12444842 |
| 27 | 21977516 |
| 28 | 49155332 |
| 29 | 87167164 |
| 30 | 194392628 |
| 31 | 345994216 |
| 32 | 769547192 |
| 33 | 1374282019 |
| 34 | 3049104233 |
[1,2,2,5,7,17,26,62,99,233,382,890,1486,3434,5812, 13340,22819,52073,89846,204002,354522,801422, 1401292,3155300,5546382,12444842,21977516, 49155332,87167164,194392628,345994216,769547192, 1374282019,3049104233] |