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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 | 20 |
| 11 | 27 |
| 12 | 36 |
| 13 | 48 |
| 14 | 64 |
| 15 | 85 |
| 16 | 113 |
| 17 | 150 |
| 18 | 199 |
| 19 | 264 |
| 20 | 350 |
| 21 | 464 |
| 22 | 615 |
| 23 | 815 |
| 24 | 1080 |
| 25 | 1431 |
| 26 | 1896 |
| 27 | 2512 |
| 28 | 3328 |
| 29 | 4409 |
| 30 | 5841 |
| 31 | 7738 |
| 32 | 10251 |
| 33 | 13580 |
| 34 | 17990 |
| 35 | 23832 |
| 36 | 31571 |
| 37 | 41823 |
| 38 | 55404 |
| 39 | 73395 |
| 40 | 97228 |
| 41 | 128800 |
| 42 | 170624 |
| 43 | 226029 |
| 44 | 299425 |
| 45 | 396654 |
| 46 | 525455 |
[0,1,1,2,3,4,6,8,11,15,20,27,36,48,64,85,113,150, 199,264,350,464,615,815,1080,1431,1896,2512,3328, 4409,5841,7738,10251,13580,17990,23832,31571, 41823,55404,73395,97228,128800,170624,226029, 299425,396654,525455] |