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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 15 |
| 6 | 31 |
| 7 | 57 |
| 8 | 114 |
| 9 | 213 |
| 10 | 410 |
| 11 | 766 |
| 12 | 1437 |
| 13 | 2659 |
| 14 | 4888 |
| 15 | 9130 |
| 16 | 16406 |
| 17 | 29477 |
| 18 | 54084 |
| 19 | 96353 |
| 20 | 170015 |
| 21 | 303356 |
| 22 | 536877 |
| 23 | 932679 |
| 24 | 1637383 |
| 25 | 2831910 |
| 26 | 4919306 |
| 27 | 8395627 |
| 28 | 14550779 |
| 29 | 24673403 |
| 30 | 41942730 |
| 31 | 70587716 |
| 32 | 120128827 |
| 33 | 201556909 |
| 34 | 336844168 |
| 35 | 558644630 |
| 36 | 932732821 |
[1,1,2,4,8,15,31,57,114,213,410,766,1437,2659, 4888,9130,16406,29477,54084,96353,170015,303356, 536877,932679,1637383,2831910,4919306,8395627, 14550779,24673403,41942730,70587716,120128827, 201556909,336844168,558644630,932732821] |