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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 7 |
| 4 | 10 |
| 5 | 22 |
| 6 | 32 |
| 7 | 67 |
| 8 | 99 |
| 9 | 200 |
| 10 | 299 |
| 11 | 588 |
| 12 | 887 |
| 13 | 1708 |
| 14 | 2595 |
| 15 | 4913 |
| 16 | 7508 |
| 17 | 14018 |
| 18 | 21526 |
| 19 | 39725 |
| 20 | 61251 |
| 21 | 111922 |
| 22 | 173173 |
| 23 | 313752 |
| 24 | 486925 |
| 25 | 875702 |
| 26 | 1362627 |
| 27 | 2434747 |
| 28 | 3797374 |
| 29 | 6746350 |
| 30 | 10543724 |
| 31 | 18636343 |
| 32 | 29180067 |
| 33 | 51340988 |
| 34 | 80521055 |
| 35 | 141089508 |
| 36 | 221610563 |
[1,2,3,7,10,22,32,67,99,200,299,588,887,1708,2595, 4913,7508,14018,21526,39725,61251,111922,173173, 313752,486925,875702,1362627,2434747,3797374, 6746350,10543724,18636343,29180067,51340988, 80521055,141089508,221610563] |