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| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 13 |
| 3 | 61 |
| 4 | 181 |
| 5 | 317 |
| 6 | 827 |
| 7 | 1831 |
| 8 | 2657 |
| 9 | 2801 |
| 10 | 3181 |
| 11 | 3739 |
| 12 | 4093 |
| 13 | 4561 |
| 14 | 5011 |
| 15 | 5443 |
| 16 | 5531 |
| 17 | 5653 |
| 18 | 6359 |
| 19 | 6659 |
| 20 | 9029 |
| 21 | 10729 |
| 22 | 11383 |
| 23 | 13109 |
| 24 | 13907 |
| 25 | 14489 |
| 26 | 15217 |
| 27 | 15859 |
| 28 | 16603 |
| 29 | 17581 |
| 30 | 20393 |
| 31 | 21499 |
| 32 | 23537 |
| 33 | 25037 |
| 34 | 25169 |
| 35 | 26153 |
| 36 | 26959 |
| 37 | 27077 |
| 38 | 27803 |
| 39 | 27851 |
[7,13,61,181,317,827,1831,2657,2801,3181,3739, 4093,4561,5011,5443,5531,5653,6359,6659,9029, 10729,11383,13109,13907,14489,15217,15859,16603, 17581,20393,21499,23537,25037,25169,26153,26959, 27077,27803,27851] |