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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 51 |
| 3 | 63 |
| 4 | 87 |
| 5 | 111 |
| 6 | 123 |
| 7 | 153 |
| 8 | 177 |
| 9 | 207 |
| 10 | 211 |
| 11 | 239 |
| 12 | 263 |
| 13 | 273 |
| 14 | 289 |
| 15 | 327 |
| 16 | 333 |
| 17 | 343 |
| 18 | 359 |
| 19 | 407 |
| 20 | 471 |
| 21 | 489 |
| 22 | 497 |
| 23 | 513 |
| 24 | 541 |
| 25 | 597 |
| 26 | 621 |
| 27 | 651 |
| 28 | 659 |
| 29 | 663 |
| 30 | 681 |
| 31 | 687 |
| 32 | 693 |
| 33 | 697 |
| 34 | 747 |
| 35 | 753 |
| 36 | 793 |
| 37 | 819 |
| 38 | 831 |
| 39 | 869 |
| 40 | 909 |
| 41 | 977 |
| 42 | 987 |
| 43 | 1027 |
| 44 | 1041 |
| 45 | 1089 |
| 46 | 1131 |
| 47 | 1143 |
| 48 | 1239 |
| 49 | 1491 |
| 50 | 1611 |
[9,51,63,87,111,123,153,177,207,211,239,263,273, 289,327,333,343,359,407,471,489,497,513,541,597, 621,651,659,663,681,687,693,697,747,753,793,819, 831,869,909,977,987,1027,1041,1089,1131,1143,1239, 1491,1611] |