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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 16 |
| 9 | 22 |
| 10 | 30 |
| 11 | 39 |
| 12 | 50 |
| 13 | 63 |
| 14 | 78 |
| 15 | 95 |
| 16 | 115 |
| 17 | 137 |
| 18 | 162 |
| 19 | 190 |
| 20 | 221 |
| 21 | 255 |
| 22 | 292 |
| 23 | 333 |
| 24 | 377 |
| 25 | 425 |
| 26 | 477 |
| 27 | 533 |
| 28 | 593 |
| 29 | 658 |
| 30 | 727 |
| 31 | 801 |
| 32 | 880 |
| 33 | 964 |
| 34 | 1053 |
| 35 | 1147 |
| 36 | 1247 |
| 37 | 1352 |
| 38 | 1463 |
| 39 | 1580 |
| 40 | 1703 |
| 41 | 1832 |
| 42 | 1968 |
| 43 | 2110 |
| 44 | 2259 |
| 45 | 2415 |
| 46 | 2578 |
| 47 | 2748 |
| 48 | 2925 |
| 49 | 3110 |
| 50 | 3302 |
[0,0,0,1,2,4,7,11,16,22,30,39,50,63,78,95,115,137, 162,190,221,255,292,333,377,425,477,533,593,658, 727,801,880,964,1053,1147,1247,1352,1463,1580, 1703,1832,1968,2110,2259,2415,2578,2748,2925,3110, 3302] |