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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 6 |
| 7 | 8 |
| 8 | 11 |
| 9 | 15 |
| 10 | 21 |
| 11 | 29 |
| 12 | 40 |
| 13 | 55 |
| 14 | 75 |
| 15 | 103 |
| 16 | 141 |
| 17 | 193 |
| 18 | 264 |
| 19 | 361 |
| 20 | 493 |
| 21 | 674 |
| 22 | 921 |
| 23 | 1258 |
| 24 | 1719 |
| 25 | 2348 |
| 26 | 3208 |
| 27 | 4382 |
| 28 | 5986 |
| 29 | 8177 |
| 30 | 11170 |
| 31 | 15259 |
| 32 | 20844 |
| 33 | 28474 |
| 34 | 38896 |
| 35 | 53133 |
| 36 | 72581 |
| 37 | 99148 |
| 38 | 135439 |
| 39 | 185013 |
| 40 | 252733 |
| 41 | 345240 |
| 42 | 471607 |
| 43 | 644227 |
| 44 | 880031 |
| 45 | 1202145 |
[0,1,1,2,3,4,6,8,11,15,21,29,40,55,75,103,141,193, 264,361,493,674,921,1258,1719,2348,3208,4382,5986, 8177,11170,15259,20844,28474,38896,53133,72581, 99148,135439,185013,252733,345240,471607,644227, 880031,1202145] |