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| n | a(n) |
|---|---|
| 1 | -1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 7 |
| 7 | 8 |
| 8 | 12 |
| 9 | 15 |
| 10 | 18 |
| 11 | 25 |
| 12 | 26 |
| 13 | 30 |
| 14 | 51 |
| 15 | 75 |
| 16 | 78 |
| 17 | 84 |
| 18 | 129 |
| 19 | 133 |
| 20 | 148 |
| 21 | 170 |
| 22 | 180 |
| 23 | 183 |
| 24 | 189 |
| 25 | 209 |
| 26 | 265 |
| 27 | 279 |
| 28 | 285 |
| 29 | 287 |
| 30 | 336 |
| 31 | 369 |
| 32 | 388 |
| 33 | 406 |
| 34 | 412 |
| 35 | 445 |
| 36 | 469 |
| 37 | 496 |
| 38 | 581 |
| 39 | 711 |
| 40 | 737 |
| 41 | 741 |
| 42 | 742 |
| 43 | 873 |
| 44 | 939 |
| 45 | 994 |
| 46 | 1044 |
| 47 | 1078 |
| 48 | 1111 |
| 49 | 1157 |
| 50 | 1158 |
| 51 | 1492 |
| 52 | 1636 |
| 53 | 1767 |
| 54 | 1914 |
| 55 | 1933 |
[-1,0,1,2,4,7,8,12,15,18,25,26,30,51,75,78,84,129, 133,148,170,180,183,189,209,265,279,285,287,336, 369,388,406,412,445,469,496,581,711,737,741,742, 873,939,994,1044,1078,1111,1157,1158,1492,1636, 1767,1914,1933] |