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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 3 |
| 7 | 4 |
| 8 | 7 |
| 9 | 12 |
| 10 | 16 |
| 11 | 21 |
| 12 | 33 |
| 13 | 38 |
| 14 | 50 |
| 15 | 75 |
| 16 | 87 |
| 17 | 111 |
| 18 | 150 |
| 19 | 185 |
| 20 | 244 |
| 21 | 307 |
| 22 | 373 |
| 23 | 461 |
| 24 | 585 |
| 25 | 702 |
| 26 | 856 |
| 27 | 1043 |
| 28 | 1255 |
| 29 | 1498 |
| 30 | 1822 |
| 31 | 2143 |
| 32 | 2565 |
| 33 | 3064 |
| 34 | 3607 |
| 35 | 4251 |
| 36 | 5064 |
| 37 | 5920 |
| 38 | 6953 |
| 39 | 8174 |
| 40 | 9503 |
| 41 | 11064 |
| 42 | 12927 |
| 43 | 14921 |
| 44 | 17320 |
| 45 | 19986 |
| 46 | 23067 |
| 47 | 26485 |
| 48 | 30499 |
| 49 | 34894 |
[0,0,0,1,1,2,3,4,7,12,16,21,33,38,50,75,87,111, 150,185,244,307,373,461,585,702,856,1043,1255, 1498,1822,2143,2565,3064,3607,4251,5064,5920,6953, 8174,9503,11064,12927,14921,17320,19986,23067, 26485,30499,34894] |