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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 5 |
| 7 | 9 |
| 8 | 11 |
| 9 | 19 |
| 10 | 29 |
| 11 | 41 |
| 12 | 67 |
| 13 | 99 |
| 14 | 149 |
| 15 | 233 |
| 16 | 347 |
| 17 | 531 |
| 18 | 813 |
| 19 | 1225 |
| 20 | 1875 |
| 21 | 2851 |
| 22 | 4325 |
| 23 | 6601 |
| 24 | 10027 |
| 25 | 15251 |
| 26 | 23229 |
| 27 | 35305 |
| 28 | 53731 |
| 29 | 81763 |
| 30 | 124341 |
| 31 | 189225 |
| 32 | 287867 |
| 33 | 437907 |
| 34 | 666317 |
| 35 | 1013641 |
| 36 | 1542131 |
| 37 | 2346275 |
| 38 | 3569413 |
| 39 | 5430537 |
[0,1,1,1,3,3,5,9,11,19,29,41,67,99,149,233,347, 531,813,1225,1875,2851,4325,6601,10027,15251, 23229,35305,53731,81763,124341,189225,287867, 437907,666317,1013641,1542131,2346275,3569413, 5430537] |