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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 4 |
| 6 | 6 |
| 7 | 9 |
| 8 | 13 |
| 9 | 17 |
| 10 | 24 |
| 11 | 31 |
| 12 | 43 |
| 13 | 56 |
| 14 | 73 |
| 15 | 98 |
| 16 | 126 |
| 17 | 157 |
| 18 | 212 |
| 19 | 263 |
| 20 | 329 |
| 21 | 431 |
| 22 | 531 |
| 23 | 649 |
| 24 | 850 |
| 25 | 1033 |
| 26 | 1255 |
| 27 | 1575 |
| 28 | 1961 |
| 29 | 2357 |
| 30 | 2917 |
| 31 | 3497 |
| 32 | 4328 |
| 33 | 5272 |
| 34 | 6281 |
| 35 | 7493 |
| 36 | 9360 |
| 37 | 11079 |
| 38 | 13091 |
| 39 | 15650 |
| 40 | 19226 |
| 41 | 22596 |
| 42 | 26802 |
| 43 | 31423 |
| 44 | 37930 |
| 45 | 45259 |
| 46 | 52829 |
| 47 | 61570 |
| 48 | 74181 |
[0,1,1,2,3,4,6,9,13,17,24,31,43,56,73,98,126,157, 212,263,329,431,531,649,850,1033,1255,1575,1961, 2357,2917,3497,4328,5272,6281,7493,9360,11079, 13091,15650,19226,22596,26802,31423,37930,45259, 52829,61570,74181] |