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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 8 |
| 6 | 14 |
| 7 | 21 |
| 8 | 37 |
| 9 | 63 |
| 10 | 122 |
| 11 | 221 |
| 12 | 374 |
| 13 | 656 |
| 14 | 1147 |
| 15 | 2066 |
| 16 | 3699 |
| 17 | 6477 |
| 18 | 11407 |
| 19 | 20099 |
| 20 | 35656 |
| 21 | 63323 |
| 22 | 111775 |
| 23 | 197352 |
| 24 | 348556 |
| 25 | 616560 |
| 26 | 1091570 |
| 27 | 1929721 |
| 28 | 3410509 |
| 29 | 6028021 |
| 30 | 10658114 |
| 31 | 18851012 |
| 32 | 33331681 |
| 33 | 58927069 |
| 34 | 104177155 |
| 35 | 184188343 |
| 36 | 325686763 |
| 37 | 575858676 |
[1,1,1,2,3,8,14,21,37,63,122,221,374,656,1147, 2066,3699,6477,11407,20099,35656,63323,111775, 197352,348556,616560,1091570,1929721,3410509, 6028021,10658114,18851012,33331681,58927069, 104177155,184188343,325686763,575858676] |