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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 15 |
| 5 | 26 |
| 6 | 44 |
| 7 | 74 |
| 8 | 124 |
| 9 | 207 |
| 10 | 343 |
| 11 | 564 |
| 12 | 924 |
| 13 | 1510 |
| 14 | 2463 |
| 15 | 4010 |
| 16 | 6517 |
| 17 | 10576 |
| 18 | 17148 |
| 19 | 27789 |
| 20 | 45016 |
| 21 | 72900 |
| 22 | 118024 |
| 23 | 191038 |
| 24 | 309180 |
| 25 | 500343 |
| 26 | 809659 |
| 27 | 1310147 |
| 28 | 2119943 |
| 29 | 3430192 |
| 30 | 5550177 |
| 31 | 8980326 |
| 32 | 14530332 |
| 33 | 23510266 |
| 34 | 38039809 |
| 35 | 61548610 |
| 36 | 99585874 |
[2,4,8,15,26,44,74,124,207,343,564,924,1510,2463, 4010,6517,10576,17148,27789,45016,72900,118024, 191038,309180,500343,809659,1310147,2119943, 3430192,5550177,8980326,14530332,23510266, 38039809,61548610,99585874] |