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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 11 |
| 5 | 19 |
| 6 | 27 |
| 7 | 35 |
| 8 | 47 |
| 9 | 61 |
| 10 | 77 |
| 11 | 95 |
| 12 | 111 |
| 13 | 135 |
| 14 | 159 |
| 15 | 185 |
| 16 | 215 |
| 17 | 243 |
| 18 | 275 |
| 19 | 311 |
| 20 | 343 |
| 21 | 383 |
| 22 | 427 |
[1,3,7,11,19,27,35,47,61,77,95,111,135,159,185, 215,243,275,311,343,383,427] |