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| n | a(n) |
|---|---|
| 3 | 3 |
| 4 | 12 |
| 5 | 15 |
| 6 | 31 |
| 7 | 49 |
| 8 | 92 |
| 9 | 156 |
| 10 | 279 |
| 11 | 484 |
| 12 | 855 |
| 13 | 1495 |
| 14 | 2629 |
| 15 | 4608 |
| 16 | 8092 |
| 17 | 14195 |
| 18 | 24916 |
| 19 | 43719 |
| 20 | 76727 |
| 21 | 134641 |
| 22 | 236284 |
| 23 | 414644 |
| 24 | 727655 |
| 25 | 1276940 |
| 26 | 2240879 |
| 27 | 3932463 |
| 28 | 6900997 |
| 29 | 12110400 |
| 30 | 21252276 |
| 31 | 37295139 |
| 32 | 65448412 |
| 33 | 114853951 |
| 34 | 201554639 |
| 35 | 353703729 |
| 36 | 620706780 |
| 37 | 1089264460 |
| 38 | 1911525879 |
[3,12,15,31,49,92,156,279,484,855,1495,2629,4608, 8092,14195,24916,43719,76727,134641,236284,414644, 727655,1276940,2240879,3932463,6900997,12110400, 21252276,37295139,65448412,114853951,201554639, 353703729,620706780,1089264460,1911525879] |