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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 9 |
| 3 | 13 |
| 4 | 18 |
| 5 | 24 |
| 6 | 31 |
| 7 | 39 |
| 8 | 48 |
| 9 | 58 |
| 10 | 69 |
| 11 | 81 |
| 12 | 94 |
| 13 | 108 |
| 14 | 123 |
| 15 | 139 |
| 16 | 156 |
| 17 | 174 |
| 18 | 193 |
| 19 | 213 |
| 20 | 234 |
| 21 | 256 |
| 22 | 279 |
| 23 | 303 |
| 24 | 328 |
| 25 | 354 |
| 26 | 381 |
| 27 | 409 |
| 28 | 438 |
| 29 | 468 |
| 30 | 499 |
| 31 | 531 |
| 32 | 564 |
| 33 | 598 |
| 34 | 633 |
| 35 | 669 |
| 36 | 706 |
| 37 | 744 |
| 38 | 783 |
| 39 | 823 |
| 40 | 864 |
| 41 | 906 |
| 42 | 949 |
| 43 | 993 |
| 44 | 1038 |
| 45 | 1084 |
| 46 | 1131 |
| 47 | 1179 |
| 48 | 1228 |
| 49 | 1278 |
| 50 | 1329 |
| 51 | 1381 |
| 52 | 1434 |
| 53 | 1488 |
| 54 | 1543 |
[6,9,13,18,24,31,39,48,58,69,81,94,108,123,139, 156,174,193,213,234,256,279,303,328,354,381,409, 438,468,499,531,564,598,633,669,706,744,783,823, 864,906,949,993,1038,1084,1131,1179,1228,1278, 1329,1381,1434,1488,1543] |