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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 13 |
| 7 | 17 |
| 8 | 23 |
| 9 | 54 |
| 10 | 75 |
| 11 | 106 |
| 12 | 224 |
| 13 | 329 |
| 14 | 482 |
| 15 | 942 |
| 16 | 1436 |
| 17 | 2163 |
| 18 | 4004 |
| 19 | 6255 |
| 20 | 9619 |
| 21 | 17144 |
| 22 | 27220 |
| 23 | 42513 |
| 24 | 73785 |
| 25 | 118402 |
| 26 | 187082 |
| 27 | 318715 |
| 28 | 514958 |
| 29 | 820744 |
| 30 | 1380185 |
| 31 | 2239747 |
| 32 | 3592811 |
| 33 | 5987313 |
| 34 | 9742606 |
| 35 | 15703097 |
| 36 | 26004453 |
| 37 | 42385083 |
[1,1,1,3,4,5,13,17,23,54,75,106,224,329,482,942, 1436,2163,4004,6255,9619,17144,27220,42513,73785, 118402,187082,318715,514958,820744,1380185, 2239747,3592811,5987313,9742606,15703097,26004453, 42385083] |