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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 6 |
| 7 | 9 |
| 8 | 13 |
| 9 | 18 |
| 10 | 25 |
| 11 | 35 |
| 12 | 49 |
| 13 | 68 |
| 14 | 93 |
| 15 | 126 |
| 16 | 170 |
| 17 | 229 |
| 18 | 308 |
| 19 | 413 |
| 20 | 551 |
| 21 | 731 |
| 22 | 965 |
| 23 | 1269 |
| 24 | 1664 |
| 25 | 2177 |
| 26 | 2842 |
| 27 | 3701 |
| 28 | 4806 |
| 29 | 6222 |
| 30 | 8031 |
| 31 | 10337 |
| 32 | 13272 |
| 33 | 17003 |
| 34 | 21740 |
| 35 | 27745 |
| 36 | 35343 |
| 37 | 44936 |
| 38 | 57021 |
| 39 | 72213 |
| 40 | 91274 |
| 41 | 115149 |
| 42 | 145010 |
| 43 | 182309 |
| 44 | 228841 |
| 45 | 286819 |
| 46 | 358964 |
| 47 | 448614 |
| 48 | 559857 |
| 49 | 697694 |
[1,1,1,2,3,4,6,9,13,18,25,35,49,68,93,126,170,229, 308,413,551,731,965,1269,1664,2177,2842,3701,4806, 6222,8031,10337,13272,17003,21740,27745,35343, 44936,57021,72213,91274,115149,145010,182309, 228841,286819,358964,448614,559857,697694] |