The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 9 |
| 3 | 15 |
| 4 | 27 |
| 5 | 57 |
| 6 | 63 |
| 7 | 195 |
| 8 | 267 |
| 9 | 363 |
| 10 | 405 |
| 11 | 483 |
| 12 | 603 |
| 13 | 1197 |
| 14 | 1233 |
| 15 | 1443 |
| 16 | 1737 |
| 17 | 2715 |
| 18 | 4257 |
| 19 | 5403 |
| 20 | 6117 |
| 21 | 21855 |
| 22 | 22287 |
| 23 | 26817 |
| 24 | 40755 |
| 25 | 63777 |
| 26 | 260007 |
| 27 | 617253 |
| 28 | 986733 |
| 29 | 1151655 |
| 30 | 1167837 |
| 31 | 1174503 |
| 32 | 1199373 |
| 33 | 1331595 |
| 34 | 3233307 |
| 35 | 4128873 |
| 36 | 4138707 |
| 37 | 4609527 |
| 38 | 5938107 |
| 39 | 7203945 |
| 40 | 7605213 |
| 41 | 8379405 |
| 42 | 8587545 |
| 43 | 9596223 |
[7,9,15,27,57,63,195,267,363,405,483,603,1197, 1233,1443,1737,2715,4257,5403,6117,21855,22287, 26817,40755,63777,260007,617253,986733,1151655, 1167837,1174503,1199373,1331595,3233307,4128873, 4138707,4609527,5938107,7203945,7605213,8379405, 8587545,9596223] |