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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 6 |
| 6 | 9 |
| 7 | 13 |
| 8 | 19 |
| 9 | 27 |
| 10 | 38 |
| 11 | 52 |
| 12 | 71 |
| 13 | 95 |
| 14 | 127 |
| 15 | 167 |
| 16 | 220 |
| 17 | 285 |
| 18 | 370 |
| 19 | 474 |
| 20 | 607 |
| 21 | 770 |
| 22 | 976 |
| 23 | 1226 |
| 24 | 1540 |
| 25 | 1920 |
| 26 | 2391 |
| 27 | 2960 |
| 28 | 3660 |
| 29 | 4501 |
| 30 | 5529 |
| 31 | 6760 |
| 32 | 8254 |
| 33 | 10038 |
| 34 | 12190 |
| 35 | 14750 |
| 36 | 17825 |
| 37 | 21470 |
| 38 | 25825 |
| 39 | 30975 |
| 40 | 37101 |
| 41 | 44322 |
| 42 | 52879 |
| 43 | 62937 |
| 44 | 74811 |
| 45 | 88733 |
| 46 | 105110 |
| 47 | 124261 |
[0,1,1,2,4,6,9,13,19,27,38,52,71,95,127,167,220, 285,370,474,607,770,976,1226,1540,1920,2391,2960, 3660,4501,5529,6760,8254,10038,12190,14750,17825, 21470,25825,30975,37101,44322,52879,62937,74811, 88733,105110,124261] |