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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 19 |
| 3 | 39 |
| 4 | 81 |
| 5 | 165 |
| 6 | 333 |
| 7 | 335 |
| 8 | 673 |
| 9 | 1347 |
| 10 | 1349 |
| 11 | 1351 |
| 12 | 1353 |
| 13 | 1355 |
| 14 | 1357 |
| 15 | 1359 |
| 16 | 2721 |
| 17 | 2723 |
| 18 | 2725 |
| 19 | 2727 |
| 20 | 5457 |
| 21 | 5459 |
| 22 | 5461 |
| 23 | 5463 |
| 24 | 5465 |
| 25 | 5467 |
| 26 | 5469 |
| 27 | 10941 |
| 28 | 10943 |
| 29 | 10945 |
| 30 | 10947 |
| 31 | 21897 |
| 32 | 21899 |
| 33 | 21901 |
| 34 | 21903 |
| 35 | 21905 |
| 36 | 21907 |
| 37 | 21909 |
| 38 | 43821 |
| 39 | 43823 |
| 40 | 43825 |
| 41 | 43827 |
| 42 | 43829 |
| 43 | 43831 |
[3,19,39,81,165,333,335,673,1347,1349,1351,1353, 1355,1357,1359,2721,2723,2725,2727,5457,5459,5461, 5463,5465,5467,5469,10941,10943,10945,10947,21897, 21899,21901,21903,21905,21907,21909,43821,43823, 43825,43827,43829,43831] |