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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 5 |
| 8 | 9 |
| 9 | 15 |
| 10 | 24 |
| 11 | 38 |
| 12 | 60 |
| 13 | 94 |
| 14 | 146 |
| 15 | 225 |
| 16 | 345 |
| 17 | 527 |
| 18 | 802 |
| 19 | 1216 |
| 20 | 1838 |
| 21 | 2771 |
| 22 | 4168 |
| 23 | 6256 |
| 24 | 9372 |
| 25 | 14016 |
| 26 | 20929 |
| 27 | 31208 |
| 28 | 46476 |
| 29 | 69133 |
| 30 | 102726 |
| 31 | 152494 |
| 32 | 226171 |
| 33 | 335169 |
| 34 | 496320 |
| 35 | 734440 |
| 36 | 1086102 |
| 37 | 1605187 |
| 38 | 2371049 |
| 39 | 3500522 |
| 40 | 5165573 |
| 41 | 7619251 |
[0,0,0,0,1,2,3,5,9,15,24,38,60,94,146,225,345,527, 802,1216,1838,2771,4168,6256,9372,14016,20929, 31208,46476,69133,102726,152494,226171,335169, 496320,734440,1086102,1605187,2371049,3500522, 5165573,7619251] |