| n | a(n) |
|---|---|
| -1 | 1 |
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 1 |
| 5 | 3 |
| 6 | 2 |
| 7 | 5 |
| 8 | 4 |
| 9 | 6 |
| 10 | 5 |
| 11 | 9 |
| 12 | 8 |
| 13 | 12 |
| 14 | 11 |
| 15 | 17 |
| 16 | 15 |
| 17 | 23 |
| 18 | 21 |
| 19 | 31 |
| 20 | 29 |
| 21 | 39 |
| 22 | 38 |
| 23 | 53 |
| 24 | 50 |
| 25 | 67 |
| 26 | 66 |
| 27 | 87 |
| 28 | 85 |
| 29 | 111 |
| 30 | 110 |
| 31 | 141 |
| 32 | 141 |
| 33 | 177 |
| 34 | 178 |
| 35 | 223 |
| 36 | 225 |
| 37 | 277 |
| 38 | 283 |
| 39 | 346 |
| 40 | 352 |
| 41 | 427 |
| 42 | 438 |
| 43 | 527 |
| 44 | 542 |
| 45 | 645 |
| 46 | 666 |
| 47 | 792 |
| 48 | 818 |
| 49 | 962 |
| 50 | 1000 |
| 51 | 1170 |
| 52 | 1216 |
| 53 | 1416 |
| 54 | 1476 |
| 55 | 1711 |
| 56 | 1786 |
| 57 | 2057 |
[1,0,1,1,2,1,3,2,5,4,6,5,9,8,12,11,17,15,23,21,31, 29,39,38,53,50,67,66,87,85,111,110,141,141,177, 178,223,225,277,283,346,352,427,438,527,542,645, 666,792,818,962,1000,1170,1216,1416,1476,1711, 1786,2057] |