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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 15 |
| 8 | 26 |
| 9 | 45 |
| 10 | 78 |
| 11 | 134 |
| 12 | 232 |
| 13 | 402 |
| 14 | 695 |
| 15 | 1205 |
| 16 | 2086 |
| 17 | 3613 |
| 18 | 6259 |
| 19 | 10841 |
| 20 | 18780 |
| 21 | 32531 |
| 22 | 56354 |
| 23 | 97621 |
| 24 | 169111 |
| 25 | 292954 |
| 26 | 507488 |
| 27 | 879136 |
| 28 | 1522947 |
| 29 | 2638242 |
| 30 | 4570298 |
| 31 | 7917253 |
| 32 | 13715281 |
| 33 | 23759370 |
| 34 | 41159039 |
| 35 | 71300984 |
| 36 | 123516755 |
| 37 | 213971647 |
| 38 | 370669282 |
[1,1,1,2,3,5,9,15,26,45,78,134,232,402,695,1205, 2086,3613,6259,10841,18780,32531,56354,97621, 169111,292954,507488,879136,1522947,2638242, 4570298,7917253,13715281,23759370,41159039, 71300984,123516755,213971647,370669282] |