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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 2 |
| 5 | 11 |
| 6 | 37 |
| 7 | 98 |
| 8 | 225 |
| 9 | 470 |
| 10 | 919 |
| 11 | 1713 |
| 12 | 3082 |
| 13 | 5400 |
| 14 | 9274 |
| 15 | 15688 |
| 16 | 26236 |
| 17 | 43499 |
| 18 | 71655 |
| 19 | 117466 |
| 20 | 191875 |
| 21 | 312590 |
| 22 | 508265 |
| 23 | 825265 |
| 24 | 1338612 |
| 25 | 2169696 |
| 26 | 3514932 |
| 27 | 5692128 |
| 28 | 9215510 |
| 29 | 14917115 |
| 30 | 24143209 |
| 31 | 39072098 |
| 32 | 63228357 |
| 33 | 102314870 |
| 34 | 165559099 |
| 35 | 267891393 |
| 36 | 433469566 |
| 37 | 701381784 |
| 38 | 1134874030 |
[0,0,0,0,2,11,37,98,225,470,919,1713,3082,5400, 9274,15688,26236,43499,71655,117466,191875,312590, 508265,825265,1338612,2169696,3514932,5692128, 9215510,14917115,24143209,39072098,63228357, 102314870,165559099,267891393,433469566,701381784, 1134874030] |