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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 4 |
| 3 | 7 |
| 4 | 20 |
| 5 | 22 |
| 6 | 27 |
| 7 | 32 |
| 8 | 37 |
| 9 | 48 |
| 10 | 68 |
| 11 | 122 |
| 12 | 128 |
| 13 | 148 |
| 14 | 152 |
| 15 | 155 |
| 16 | 159 |
| 17 | 160 |
| 18 | 198 |
| 19 | 216 |
| 20 | 217 |
| 21 | 239 |
| 22 | 247 |
| 23 | 248 |
| 24 | 306 |
| 25 | 363 |
| 26 | 429 |
| 27 | 475 |
| 28 | 515 |
| 29 | 606 |
| 30 | 651 |
| 31 | 823 |
| 32 | 1491 |
| 33 | 1774 |
| 34 | 1923 |
| 35 | 2153 |
| 36 | 2469 |
| 37 | 2838 |
| 38 | 2891 |
| 39 | 2944 |
| 40 | 3015 |
| 41 | 3032 |
| 42 | 3242 |
| 43 | 3594 |
| 44 | 4896 |
| 45 | 5458 |
| 46 | 5491 |
| 47 | 5913 |
| 48 | 6030 |
[1,4,7,20,22,27,32,37,48,68,122,128,148,152,155, 159,160,198,216,217,239,247,248,306,363,429,475, 515,606,651,823,1491,1774,1923,2153,2469,2838, 2891,2944,3015,3032,3242,3594,4896,5458,5491,5913, 6030] |