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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 11 |
| 8 | 13 |
| 9 | 18 |
| 10 | 26 |
| 11 | 43 |
| 12 | 52 |
| 13 | 75 |
| 14 | 99 |
| 15 | 147 |
| 16 | 237 |
| 17 | 300 |
| 18 | 418 |
| 19 | 571 |
| 20 | 776 |
| 21 | 1077 |
| 22 | 1735 |
| 23 | 2147 |
| 24 | 3025 |
| 25 | 4022 |
| 26 | 5494 |
| 27 | 7155 |
| 28 | 10004 |
| 29 | 14911 |
| 30 | 18919 |
| 31 | 25767 |
| 32 | 34233 |
| 33 | 45672 |
| 34 | 59814 |
| 35 | 79167 |
| 36 | 104272 |
| 37 | 153313 |
| 38 | 190847 |
| 39 | 257607 |
| 40 | 334813 |
| 41 | 446054 |
[1,2,2,3,4,5,7,11,13,18,26,43,52,75,99,147,237, 300,418,571,776,1077,1735,2147,3025,4022,5494, 7155,10004,14911,18919,25767,34233,45672,59814, 79167,104272,153313,190847,257607,334813,446054] |