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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 9 |
| 5 | 16 |
| 6 | 22 |
| 7 | 29 |
| 8 | 49 |
| 9 | 94 |
| 10 | 156 |
| 11 | 221 |
| 12 | 318 |
| 13 | 521 |
| 14 | 883 |
| 15 | 1429 |
| 16 | 2257 |
| 17 | 3605 |
| 18 | 5836 |
| 19 | 9463 |
| 20 | 15264 |
| 21 | 24539 |
| 22 | 39579 |
| 23 | 64148 |
| 24 | 103990 |
| 25 | 168141 |
| 26 | 271623 |
| 27 | 439276 |
| 28 | 711055 |
| 29 | 1150750 |
| 30 | 1861287 |
| 31 | 3010318 |
| 32 | 4870449 |
| 33 | 7881944 |
| 34 | 12754455 |
| 35 | 20635589 |
| 36 | 33385764 |
| 37 | 54018447 |
[1,1,4,9,16,22,29,49,94,156,221,318,521,883,1429, 2257,3605,5836,9463,15264,24539,39579,64148, 103990,168141,271623,439276,711055,1150750, 1861287,3010318,4870449,7881944,12754455,20635589, 33385764,54018447] |