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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 6 |
| 6 | 8 |
| 7 | 12 |
| 8 | 17 |
| 9 | 24 |
| 10 | 34 |
| 11 | 51 |
| 12 | 73 |
| 13 | 106 |
| 14 | 155 |
| 15 | 224 |
| 16 | 328 |
| 17 | 477 |
| 18 | 695 |
| 19 | 1013 |
| 20 | 1477 |
| 21 | 2154 |
| 22 | 3140 |
| 23 | 4578 |
| 24 | 6673 |
| 25 | 9728 |
| 26 | 14176 |
| 27 | 20663 |
| 28 | 30113 |
| 29 | 43882 |
| 30 | 63940 |
| 31 | 93167 |
| 32 | 135747 |
| 33 | 197776 |
| 34 | 288138 |
| 35 | 419773 |
| 36 | 611522 |
| 37 | 890829 |
| 38 | 1297685 |
| 39 | 1890305 |
| 40 | 2753505 |
| 41 | 4010804 |
| 42 | 5842113 |
| 43 | 8509462 |
[1,1,2,3,4,6,8,12,17,24,34,51,73,106,155,224,328, 477,695,1013,1477,2154,3140,4578,6673,9728,14176, 20663,30113,43882,63940,93167,135747,197776, 288138,419773,611522,890829,1297685,1890305, 2753505,4010804,5842113,8509462] |