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| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 3 |
| 2 | 15 |
| 3 | 36 |
| 4 | 79 |
| 5 | 155 |
| 6 | 288 |
| 7 | 513 |
| 8 | 889 |
| 9 | 1510 |
| 10 | 2529 |
| 11 | 4193 |
| 12 | 6914 |
| 13 | 11328 |
| 14 | 18494 |
| 15 | 30107 |
| 16 | 48921 |
| 17 | 79385 |
| 18 | 128702 |
| 19 | 208524 |
| 20 | 337706 |
| 21 | 546755 |
| 22 | 885033 |
| 23 | 1432409 |
| 24 | 2318114 |
| 25 | 3751248 |
| 26 | 6070142 |
| 27 | 9822227 |
| 28 | 15893265 |
| 29 | 25716449 |
| 30 | 41610734 |
| 31 | 67328268 |
| 32 | 108940186 |
| 33 | 176269708 |
| 34 | 285211220 |
[2,3,15,36,79,155,288,513,889,1510,2529,4193,6914, 11328,18494,30107,48921,79385,128702,208524, 337706,546755,885033,1432409,2318114,3751248, 6070142,9822227,15893265,25716449,41610734, 67328268,108940186,176269708,285211220] |