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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 2 |
| 11 | 2 |
| 12 | 2 |
| 13 | 3 |
| 14 | 4 |
| 15 | 6 |
| 16 | 8 |
| 17 | 12 |
| 18 | 17 |
| 19 | 30 |
| 20 | 41 |
| 21 | 70 |
| 22 | 107 |
| 23 | 186 |
| 24 | 307 |
| 25 | 531 |
| 26 | 887 |
| 27 | 1561 |
| 28 | 2701 |
| 29 | 4817 |
| 30 | 8514 |
| 31 | 15030 |
| 32 | 26490 |
| 33 | 47200 |
| 34 | 84622 |
| 35 | 151809 |
| 36 | 273912 |
| 37 | 496807 |
| 38 | 900595 |
| 39 | 1643185 |
| 40 | 2999837 |
| 41 | 5498916 |
| 42 | 10111429 |
| 43 | 18596096 |
| 44 | 34306158 |
| 45 | 63585519 |
| 46 | 118215700 |
[1,1,1,1,1,1,1,1,1,1,2,2,2,3,4,6,8,12,17,30,41,70, 107,186,307,531,887,1561,2701,4817,8514,15030, 26490,47200,84622,151809,273912,496807,900595, 1643185,2999837,5498916,10111429,18596096, 34306158,63585519,118215700] |