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| n | a(n) |
|---|---|
| 1 | 13 |
| 2 | 37 |
| 3 | 73 |
| 4 | 181 |
| 5 | 337 |
| 6 | 433 |
| 7 | 541 |
| 8 | 661 |
| 9 | 937 |
| 10 | 1093 |
| 11 | 2053 |
| 12 | 2281 |
| 13 | 2521 |
| 14 | 3037 |
| 15 | 3313 |
| 16 | 5581 |
| 17 | 5953 |
| 18 | 6337 |
| 19 | 6733 |
| 20 | 7561 |
| 21 | 7993 |
| 22 | 8893 |
| 23 | 10333 |
| 24 | 10837 |
| 25 | 11353 |
| 26 | 12421 |
| 27 | 12973 |
| 28 | 13537 |
| 29 | 15913 |
| 30 | 18481 |
| 31 | 20533 |
| 32 | 21961 |
| 33 | 25741 |
| 34 | 27337 |
| 35 | 32413 |
| 36 | 33301 |
| 37 | 36037 |
| 38 | 36973 |
| 39 | 42841 |
[13,37,73,181,337,433,541,661,937,1093,2053,2281, 2521,3037,3313,5581,5953,6337,6733,7561,7993,8893, 10333,10837,11353,12421,12973,13537,15913,18481, 20533,21961,25741,27337,32413,33301,36037,36973, 42841] |