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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 6 |
| 4 | 13 |
| 5 | 24 |
| 6 | 48 |
| 7 | 86 |
| 8 | 153 |
| 9 | 275 |
| 10 | 479 |
| 11 | 817 |
| 12 | 1388 |
| 13 | 2317 |
| 14 | 3831 |
| 15 | 6277 |
| 16 | 10184 |
| 17 | 16367 |
| 18 | 26122 |
| 19 | 41359 |
| 20 | 65016 |
| 21 | 101567 |
| 22 | 157642 |
| 23 | 243232 |
| 24 | 373277 |
| 25 | 569711 |
| 26 | 865164 |
| 27 | 1307587 |
| 28 | 1967161 |
| 29 | 2946379 |
| 30 | 4394667 |
| 31 | 6528255 |
| 32 | 9660197 |
| 33 | 14241627 |
| 34 | 20920564 |
| 35 | 30625556 |
| 36 | 44683600 |
| 37 | 64984798 |
[1,1,3,6,13,24,48,86,153,275,479,817,1388,2317, 3831,6277,10184,16367,26122,41359,65016,101567, 157642,243232,373277,569711,865164,1307587, 1967161,2946379,4394667,6528255,9660197,14241627, 20920564,30625556,44683600,64984798] |