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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 7 |
| 4 | 10 |
| 5 | 15 |
| 6 | 31 |
| 7 | 43 |
| 8 | 61 |
| 9 | 91 |
| 10 | 142 |
| 11 | 157 |
| 12 | 186 |
| 13 | 213 |
| 14 | 250 |
| 15 | 259 |
| 16 | 319 |
| 17 | 367 |
| 18 | 373 |
| 19 | 375 |
| 20 | 463 |
| 21 | 547 |
| 22 | 618 |
| 23 | 751 |
| 24 | 853 |
| 25 | 874 |
| 26 | 922 |
| 27 | 942 |
| 28 | 949 |
| 29 | 1117 |
| 30 | 1230 |
| 31 | 1237 |
| 32 | 1258 |
| 33 | 1279 |
| 34 | 1306 |
| 35 | 1311 |
| 36 | 1501 |
| 37 | 1555 |
| 38 | 1678 |
| 39 | 1885 |
| 40 | 1887 |
| 41 | 1914 |
| 42 | 1959 |
| 43 | 2203 |
| 44 | 2238 |
| 45 | 2251 |
| 46 | 2446 |
| 47 | 2554 |
| 48 | 2623 |
| 49 | 2650 |
[0,1,7,10,15,31,43,61,91,142,157,186,213,250,259, 319,367,373,375,463,547,618,751,853,874,922,942, 949,1117,1230,1237,1258,1279,1306,1311,1501,1555, 1678,1885,1887,1914,1959,2203,2238,2251,2446,2554, 2623,2650] |