| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 7 |
| 3 | 13 |
| 4 | 31 |
| 5 | 49 |
| 6 | 79 |
| 7 | 129 |
| 8 | 133 |
| 9 | 193 |
| 10 | 219 |
| 11 | 319 |
| 12 | 331 |
| 13 | 367 |
| 14 | 391 |
| 15 | 409 |
| 16 | 487 |
| 17 | 655 |
| 18 | 673 |
| 19 | 739 |
| 20 | 931 |
| 21 | 937 |
| 22 | 1009 |
| 23 | 1029 |
| 24 | 1039 |
| 25 | 1093 |
| 26 | 1209 |
| 27 | 1233 |
| 28 | 1251 |
| 29 | 1275 |
| 30 | 1281 |
| 31 | 1285 |
| 32 | 1303 |
| 33 | 1309 |
| 34 | 1323 |
| 35 | 1339 |
| 36 | 1533 |
| 37 | 1575 |
| 38 | 1587 |
| 39 | 1599 |
| 40 | 1663 |
| 41 | 1771 |
| 42 | 1857 |
| 43 | 1933 |
| 44 | 1959 |
| 45 | 1995 |
| 46 | 2019 |
| 47 | 2115 |
[1,7,13,31,49,79,129,133,193,219,319,331,367,391, 409,487,655,673,739,931,937,1009,1029,1039,1093, 1209,1233,1251,1275,1281,1285,1303,1309,1323,1339, 1533,1575,1587,1599,1663,1771,1857,1933,1959,1995, 2019,2115] |