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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 7 |
| 4 | 8 |
| 5 | 11 |
| 6 | 13 |
| 7 | 15 |
| 8 | 19 |
| 9 | 21 |
| 10 | 23 |
| 11 | 25 |
| 12 | 27 |
| 13 | 37 |
| 14 | 39 |
| 15 | 41 |
| 16 | 45 |
| 17 | 51 |
| 18 | 55 |
| 19 | 57 |
| 20 | 63 |
| 21 | 69 |
| 22 | 73 |
| 23 | 75 |
| 24 | 81 |
| 25 | 87 |
| 26 | 93 |
| 27 | 99 |
| 28 | 105 |
| 29 | 111 |
| 30 | 117 |
| 31 | 123 |
| 32 | 135 |
| 33 | 147 |
| 34 | 153 |
| 35 | 159 |
| 36 | 165 |
| 37 | 171 |
| 38 | 195 |
| 39 | 201 |
| 40 | 213 |
| 41 | 219 |
| 42 | 225 |
| 43 | 231 |
| 44 | 237 |
| 45 | 243 |
| 46 | 255 |
| 47 | 267 |
| 48 | 273 |
| 49 | 285 |
| 50 | 297 |
| 51 | 315 |
| 52 | 321 |
| 53 | 363 |
| 54 | 369 |
| 55 | 399 |
| 56 | 405 |
| 57 | 411 |
| 58 | 423 |
| 59 | 435 |
| 60 | 447 |
[4,6,7,8,11,13,15,19,21,23,25,27,37,39,41,45,51, 55,57,63,69,73,75,81,87,93,99,105,111,117,123,135, 147,153,159,165,171,195,201,213,219,225,231,237, 243,255,267,273,285,297,315,321,363,369,399,405, 411,423,435,447] |