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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 2 |
| 11 | 4 |
| 12 | 6 |
| 13 | 10 |
| 14 | 12 |
| 15 | 16 |
| 16 | 20 |
| 17 | 30 |
| 18 | 34 |
| 19 | 46 |
| 20 | 52 |
| 21 | 71 |
| 22 | 80 |
| 23 | 103 |
| 24 | 115 |
| 25 | 149 |
| 26 | 167 |
| 27 | 211 |
| 28 | 236 |
| 29 | 298 |
| 30 | 332 |
| 31 | 410 |
| 32 | 457 |
| 33 | 559 |
| 34 | 619 |
| 35 | 742 |
| 36 | 814 |
| 37 | 981 |
| 38 | 1078 |
| 39 | 1269 |
| 40 | 1384 |
| 41 | 1633 |
| 42 | 1786 |
| 43 | 2072 |
| 44 | 2246 |
| 45 | 2607 |
| 46 | 2839 |
| 47 | 3267 |
| 48 | 3524 |
| 49 | 4050 |
| 50 | 4379 |
| 51 | 4970 |
| 52 | 5350 |
| 53 | 6076 |
| 54 | 6555 |
[0,0,0,0,0,0,0,1,1,2,2,4,6,10,12,16,20,30,34,46, 52,71,80,103,115,149,167,211,236,298,332,410,457, 559,619,742,814,981,1078,1269,1384,1633,1786,2072, 2246,2607,2839,3267,3524,4050,4379,4970,5350,6076, 6555] |