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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 3 |
| 3 | 1 |
| 4 | 5 |
| 5 | 10 |
| 6 | 8 |
| 7 | 35 |
| 8 | 30 |
| 9 | 85 |
| 10 | 137 |
| 11 | 201 |
| 12 | 476 |
| 13 | 616 |
| 14 | 1357 |
| 15 | 2172 |
| 16 | 3735 |
| 17 | 7193 |
| 18 | 11213 |
| 19 | 21782 |
| 20 | 36064 |
| 21 | 64095 |
| 22 | 115130 |
| 23 | 193769 |
| 24 | 354737 |
| 25 | 604049 |
| 26 | 1074008 |
| 27 | 1889968 |
| 28 | 3273785 |
| 29 | 5839608 |
| 30 | 10106859 |
| 31 | 17880785 |
| 32 | 31325077 |
| 33 | 54793282 |
| 34 | 96710296 |
| 35 | 168730043 |
| 36 | 297336790 |
| 37 | 520856765 |
| 38 | 913684857 |
[1,0,3,1,5,10,8,35,30,85,137,201,476,616,1357, 2172,3735,7193,11213,21782,36064,64095,115130, 193769,354737,604049,1074008,1889968,3273785, 5839608,10106859,17880785,31325077,54793282, 96710296,168730043,297336790,520856765,913684857] |