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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 17 |
| 3 | 73 |
| 4 | 101 |
| 5 | 137 |
| 6 | 163 |
| 7 | 257 |
| 8 | 353 |
| 9 | 449 |
| 10 | 577 |
| 11 | 641 |
| 12 | 751 |
| 13 | 757 |
| 14 | 883 |
| 15 | 1297 |
| 16 | 1409 |
| 17 | 1801 |
| 18 | 3137 |
| 19 | 3529 |
| 20 | 5477 |
| 21 | 7057 |
| 22 | 7351 |
| 23 | 8929 |
| 24 | 9397 |
| 25 | 10753 |
| 26 | 11831 |
| 27 | 12101 |
| 28 | 13457 |
| 29 | 13553 |
| 30 | 14401 |
| 31 | 15361 |
| 32 | 15377 |
| 33 | 15973 |
| 34 | 18523 |
| 35 | 19841 |
| 36 | 20809 |
| 37 | 21401 |
| 38 | 21601 |
| 39 | 23549 |
| 40 | 24001 |
| 41 | 24337 |
[3,17,73,101,137,163,257,353,449,577,641,751,757, 883,1297,1409,1801,3137,3529,5477,7057,7351,8929, 9397,10753,11831,12101,13457,13553,14401,15361, 15377,15973,18523,19841,20809,21401,21601,23549, 24001,24337] |