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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 10 |
| 9 | 12 |
| 10 | 16 |
| 11 | 19 |
| 12 | 24 |
| 13 | 27 |
| 14 | 33 |
| 15 | 37 |
| 16 | 44 |
| 17 | 48 |
| 18 | 56 |
| 19 | 61 |
| 20 | 70 |
| 21 | 75 |
| 22 | 85 |
| 23 | 91 |
| 24 | 102 |
| 25 | 108 |
| 26 | 120 |
| 27 | 127 |
| 28 | 140 |
| 29 | 147 |
| 30 | 161 |
| 31 | 169 |
| 32 | 184 |
| 33 | 192 |
| 34 | 208 |
| 35 | 217 |
| 36 | 234 |
| 37 | 243 |
| 38 | 261 |
| 39 | 271 |
| 40 | 290 |
| 41 | 300 |
| 42 | 320 |
| 43 | 331 |
| 44 | 352 |
| 45 | 363 |
| 46 | 385 |
| 47 | 397 |
| 48 | 420 |
| 49 | 432 |
| 50 | 456 |
| 51 | 469 |
| 52 | 494 |
| 53 | 507 |
| 54 | 533 |
| 55 | 547 |
| 56 | 574 |
[0,0,0,1,2,3,5,7,10,12,16,19,24,27,33,37,44,48,56, 61,70,75,85,91,102,108,120,127,140,147,161,169, 184,192,208,217,234,243,261,271,290,300,320,331, 352,363,385,397,420,432,456,469,494,507,533,547, 574] |