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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 19 |
| 7 | 33 |
| 8 | 62 |
| 9 | 110 |
| 10 | 205 |
| 11 | 368 |
| 12 | 683 |
| 13 | 1235 |
| 14 | 2286 |
| 15 | 4153 |
| 16 | 7674 |
| 17 | 13986 |
| 18 | 25813 |
| 19 | 47150 |
| 20 | 86949 |
| 21 | 159077 |
| 22 | 293176 |
| 23 | 537014 |
| 24 | 989267 |
| 25 | 1813659 |
| 26 | 3339940 |
| 27 | 6127355 |
| 28 | 11280954 |
| 29 | 20706414 |
| 30 | 38114723 |
| 31 | 69988457 |
| 32 | 128809594 |
| 33 | 236602202 |
| 34 | 435400253 |
| 35 | 799958582 |
| 36 | 1471961037 |
[1,1,2,3,6,10,19,33,62,110,205,368,683,1235,2286, 4153,7674,13986,25813,47150,86949,159077,293176, 537014,989267,1813659,3339940,6127355,11280954, 20706414,38114723,69988457,128809594,236602202, 435400253,799958582,1471961037] |