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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 9 |
| 7 | 11 |
| 8 | 18 |
| 9 | 26 |
| 10 | 35 |
| 11 | 49 |
| 12 | 70 |
| 13 | 89 |
| 14 | 123 |
| 15 | 164 |
| 16 | 212 |
| 17 | 278 |
| 18 | 366 |
| 19 | 460 |
| 20 | 597 |
| 21 | 762 |
| 22 | 957 |
| 23 | 1210 |
| 24 | 1530 |
| 25 | 1891 |
| 26 | 2369 |
| 27 | 2943 |
| 28 | 3621 |
| 29 | 4468 |
| 30 | 5507 |
| 31 | 6703 |
| 32 | 8210 |
| 33 | 10004 |
| 34 | 12115 |
| 35 | 14688 |
| 36 | 17782 |
| 37 | 21365 |
| 38 | 25743 |
| 39 | 30913 |
| 40 | 36965 |
| 41 | 44210 |
| 42 | 52801 |
| 43 | 62753 |
| 44 | 74667 |
| 45 | 88626 |
| 46 | 104874 |
| 47 | 124070 |
[0,0,1,2,3,5,9,11,18,26,35,49,70,89,123,164,212, 278,366,460,597,762,957,1210,1530,1891,2369,2943, 3621,4468,5507,6703,8210,10004,12115,14688,17782, 21365,25743,30913,36965,44210,52801,62753,74667, 88626,104874,124070] |