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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 4 |
| 8 | 7 |
| 9 | 8 |
| 10 | 11 |
| 11 | 13 |
| 12 | 19 |
| 13 | 22 |
| 14 | 30 |
| 15 | 36 |
| 16 | 47 |
| 17 | 56 |
| 18 | 73 |
| 19 | 86 |
| 20 | 110 |
| 21 | 131 |
| 22 | 163 |
| 23 | 194 |
| 24 | 241 |
| 25 | 284 |
| 26 | 348 |
| 27 | 412 |
| 28 | 499 |
| 29 | 588 |
| 30 | 709 |
| 31 | 832 |
| 32 | 996 |
| 33 | 1168 |
| 34 | 1387 |
| 35 | 1622 |
| 36 | 1919 |
| 37 | 2235 |
| 38 | 2631 |
| 39 | 3060 |
| 40 | 3584 |
| 41 | 4156 |
| 42 | 4852 |
| 43 | 5610 |
| 44 | 6525 |
| 45 | 7530 |
| 46 | 8724 |
| 47 | 10044 |
| 48 | 11607 |
| 49 | 13328 |
| 50 | 15355 |
| 51 | 17600 |
[0,1,1,2,2,4,4,7,8,11,13,19,22,30,36,47,56,73,86, 110,131,163,194,241,284,348,412,499,588,709,832, 996,1168,1387,1622,1919,2235,2631,3060,3584,4156, 4852,5610,6525,7530,8724,10044,11607,13328,15355, 17600] |