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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 21 |
| 3 | 33 |
| 4 | 51 |
| 5 | 65 |
| 6 | 85 |
| 7 | 93 |
| 8 | 119 |
| 9 | 129 |
| 10 | 219 |
| 11 | 341 |
| 12 | 365 |
| 13 | 381 |
| 14 | 403 |
| 15 | 427 |
| 16 | 471 |
| 17 | 511 |
| 18 | 633 |
| 19 | 717 |
| 20 | 771 |
| 21 | 843 |
| 22 | 951 |
| 23 | 1057 |
| 24 | 1137 |
| 25 | 1241 |
| 26 | 1273 |
| 27 | 1285 |
| 28 | 1317 |
| 29 | 1397 |
| 30 | 1501 |
| 31 | 1651 |
| 32 | 1707 |
| 33 | 1799 |
| 34 | 1967 |
| 35 | 2047 |
| 36 | 2049 |
| 37 | 2661 |
| 38 | 2973 |
| 39 | 3579 |
| 40 | 3687 |
| 41 | 3831 |
| 42 | 4097 |
| 43 | 4321 |
| 44 | 4369 |
| 45 | 4529 |
| 46 | 4593 |
| 47 | 4681 |
[15,21,33,51,65,85,93,119,129,219,341,365,381,403, 427,471,511,633,717,771,843,951,1057,1137,1241, 1273,1285,1317,1397,1501,1651,1707,1799,1967,2047, 2049,2661,2973,3579,3687,3831,4097,4321,4369,4529, 4593,4681] |