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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 17 |
| 4 | 19 |
| 5 | 33 |
| 6 | 35 |
| 7 | 73 |
| 8 | 145 |
| 9 | 161 |
| 10 | 163 |
| 11 | 195 |
| 12 | 243 |
| 13 | 393 |
| 14 | 483 |
| 15 | 513 |
| 16 | 721 |
| 17 | 723 |
| 18 | 1153 |
| 19 | 1763 |
| 20 | 2177 |
| 21 | 2305 |
| 22 | 2593 |
| 23 | 4803 |
| 24 | 5185 |
| 25 | 5833 |
| 26 | 6273 |
| 27 | 6963 |
| 28 | 7057 |
| 29 | 7395 |
| 30 | 8713 |
| 31 | 9523 |
| 32 | 9603 |
| 33 | 10083 |
| 34 | 12483 |
| 35 | 13923 |
| 36 | 14113 |
| 37 | 15875 |
| 38 | 17425 |
| 39 | 17673 |
| 40 | 19043 |
| 41 | 20737 |
[3,9,17,19,33,35,73,145,161,163,195,243,393,483, 513,721,723,1153,1763,2177,2305,2593,4803,5185, 5833,6273,6963,7057,7395,8713,9523,9603,10083, 12483,13923,14113,15875,17425,17673,19043,20737] |