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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 5 |
| 7 | 7 |
| 8 | 9 |
| 9 | 12 |
| 10 | 17 |
| 11 | 21 |
| 12 | 27 |
| 13 | 33 |
| 14 | 50 |
| 15 | 62 |
| 16 | 84 |
| 17 | 110 |
| 18 | 148 |
| 19 | 182 |
| 20 | 253 |
| 21 | 327 |
| 22 | 467 |
| 23 | 610 |
| 24 | 855 |
| 25 | 1097 |
| 26 | 1548 |
| 27 | 1999 |
| 28 | 2849 |
| 29 | 3648 |
| 30 | 5231 |
| 31 | 6761 |
| 32 | 9781 |
| 33 | 12631 |
| 34 | 18293 |
| 35 | 23770 |
| 36 | 34407 |
| 37 | 44704 |
| 38 | 64911 |
| 39 | 84734 |
| 40 | 122742 |
| 41 | 160055 |
| 42 | 233124 |
| 43 | 303882 |
| 44 | 442949 |
| 45 | 578588 |
| 46 | 843890 |
| 47 | 1103500 |
[0,1,2,3,4,5,7,9,12,17,21,27,33,50,62,84,110,148, 182,253,327,467,610,855,1097,1548,1999,2849,3648, 5231,6761,9781,12631,18293,23770,34407,44704, 64911,84734,122742,160055,233124,303882,442949, 578588,843890,1103500] |