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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 10 |
| 5 | 23 |
| 6 | 40 |
| 7 | 86 |
| 8 | 159 |
| 9 | 300 |
| 10 | 559 |
| 11 | 1037 |
| 12 | 1887 |
| 13 | 3400 |
| 14 | 6102 |
| 15 | 10763 |
| 16 | 19027 |
| 17 | 33138 |
| 18 | 57621 |
| 19 | 99160 |
| 20 | 169934 |
| 21 | 289432 |
| 22 | 490208 |
| 23 | 826169 |
| 24 | 1385272 |
| 25 | 2312155 |
| 26 | 3840729 |
| 27 | 6354981 |
| 28 | 10467872 |
| 29 | 17179510 |
| 30 | 28081845 |
| 31 | 45740041 |
| 32 | 74234336 |
| 33 | 120074489 |
| 34 | 193582842 |
| 35 | 311102311 |
| 36 | 498434393 |
[1,1,2,5,10,23,40,86,159,300,559,1037,1887,3400, 6102,10763,19027,33138,57621,99160,169934,289432, 490208,826169,1385272,2312155,3840729,6354981, 10467872,17179510,28081845,45740041,74234336, 120074489,193582842,311102311,498434393] |