| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 4 |
| 7 | 3 |
| 8 | 6 |
| 9 | 6 |
| 10 | 9 |
| 11 | 9 |
| 12 | 14 |
| 13 | 13 |
| 14 | 19 |
| 15 | 20 |
| 16 | 26 |
| 17 | 27 |
| 18 | 36 |
| 19 | 36 |
| 20 | 47 |
| 21 | 49 |
| 22 | 60 |
| 23 | 63 |
| 24 | 78 |
| 25 | 80 |
| 26 | 97 |
| 27 | 102 |
| 28 | 120 |
| 29 | 126 |
| 30 | 149 |
| 31 | 154 |
| 32 | 180 |
| 33 | 189 |
| 34 | 216 |
| 35 | 227 |
| 36 | 260 |
| 37 | 270 |
| 38 | 307 |
| 39 | 322 |
| 40 | 361 |
| 41 | 378 |
| 42 | 424 |
| 43 | 441 |
| 44 | 492 |
| 45 | 515 |
| 46 | 568 |
| 47 | 594 |
| 48 | 656 |
| 49 | 682 |
| 50 | 750 |
[1,0,1,1,2,2,4,3,6,6,9,9,14,13,19,20,26,27,36,36, 47,49,60,63,78,80,97,102,120,126,149,154,180,189, 216,227,260,270,307,322,361,378,424,441,492,515, 568,594,656,682,750] |