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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 5 |
| 8 | 7 |
| 9 | 10 |
| 10 | 13 |
| 11 | 18 |
| 12 | 22 |
| 13 | 29 |
| 14 | 34 |
| 15 | 42 |
| 16 | 49 |
| 17 | 60 |
| 18 | 69 |
| 19 | 86 |
| 20 | 100 |
| 21 | 121 |
| 22 | 139 |
| 23 | 164 |
| 24 | 187 |
| 25 | 219 |
| 26 | 252 |
| 27 | 296 |
| 28 | 343 |
| 29 | 400 |
| 30 | 458 |
| 31 | 532 |
| 32 | 605 |
| 33 | 696 |
| 34 | 794 |
| 35 | 917 |
| 36 | 1050 |
| 37 | 1214 |
| 38 | 1389 |
| 39 | 1599 |
| 40 | 1823 |
| 41 | 2087 |
| 42 | 2371 |
| 43 | 2710 |
| 44 | 3080 |
| 45 | 3521 |
[0,0,0,0,1,2,5,7,10,13,18,22,29,34,42,49,60,69,86, 100,121,139,164,187,219,252,296,343,400,458,532, 605,696,794,917,1050,1214,1389,1599,1823,2087, 2371,2710,3080,3521] |