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| n | a(n) |
|---|---|
| 21 | 1 |
| 22 | 1 |
| 23 | 2 |
| 24 | 3 |
| 25 | 5 |
| 26 | 7 |
| 27 | 11 |
| 28 | 134 |
| 29 | 140 |
| 30 | 266 |
| 31 | 395 |
| 32 | 644 |
| 33 | 898 |
| 34 | 1391 |
| 35 | 1890 |
| 36 | 6923 |
| 37 | 7789 |
| 38 | 13309 |
| 39 | 18958 |
| 40 | 29500 |
| 41 | 40173 |
| 42 | 60154 |
| 43 | 80506 |
| 44 | 114580 |
| 45 | 237383 |
| 46 | 290326 |
| 47 | 436413 |
| 48 | 609703 |
| 49 | 876498 |
| 50 | 1179323 |
| 51 | 1672718 |
| 52 | 2211328 |
| 53 | 3033278 |
| 54 | 4006213 |
| 55 | 6582029 |
| 56 | 8104364 |
| 57 | 11507527 |
| 58 | 15185574 |
| 59 | 20938573 |
[1,1,2,3,5,7,11,134,140,266,395,644,898,1391,1890, 6923,7789,13309,18958,29500,40173,60154,80506, 114580,237383,290326,436413,609703,876498,1179323, 1672718,2211328,3033278,4006213,6582029,8104364, 11507527,15185574,20938573] |