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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 10 |
| 8 | 15 |
| 9 | 20 |
| 10 | 27 |
| 11 | 36 |
| 12 | 50 |
| 13 | 65 |
| 14 | 85 |
| 15 | 111 |
| 16 | 146 |
| 17 | 186 |
| 18 | 239 |
| 19 | 304 |
| 20 | 388 |
| 21 | 488 |
| 22 | 614 |
| 23 | 767 |
| 24 | 961 |
| 25 | 1191 |
| 26 | 1475 |
| 27 | 1819 |
| 28 | 2243 |
| 29 | 2746 |
| 30 | 3361 |
| 31 | 4096 |
| 32 | 4988 |
| 33 | 6047 |
| 34 | 7322 |
| 35 | 8836 |
| 36 | 10655 |
| 37 | 12801 |
| 38 | 15360 |
| 39 | 18384 |
| 40 | 21978 |
| 41 | 26199 |
| 42 | 31196 |
| 43 | 37062 |
| 44 | 43979 |
| 45 | 52072 |
| 46 | 61579 |
| 47 | 72682 |
[1,1,1,2,4,5,7,10,15,20,27,36,50,65,85,111,146, 186,239,304,388,488,614,767,961,1191,1475,1819, 2243,2746,3361,4096,4988,6047,7322,8836,10655, 12801,15360,18384,21978,26199,31196,37062,43979, 52072,61579,72682] |