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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 18 |
| 3 | 23 |
| 4 | 37 |
| 5 | 42 |
| 6 | 56 |
| 7 | 61 |
| 8 | 75 |
| 9 | 80 |
| 10 | 99 |
| 11 | 103 |
| 12 | 117 |
| 13 | 122 |
| 14 | 136 |
| 15 | 141 |
| 16 | 155 |
| 17 | 160 |
| 18 | 179 |
| 19 | 184 |
| 20 | 198 |
| 21 | 202 |
| 22 | 216 |
| 23 | 221 |
| 24 | 235 |
| 25 | 240 |
| 26 | 259 |
| 27 | 264 |
| 28 | 278 |
| 29 | 283 |
| 30 | 297 |
| 31 | 301 |
| 32 | 315 |
| 33 | 320 |
| 34 | 339 |
| 35 | 344 |
| 36 | 358 |
| 37 | 363 |
| 38 | 377 |
| 39 | 382 |
| 40 | 396 |
| 41 | 400 |
| 42 | 419 |
| 43 | 424 |
| 44 | 438 |
| 45 | 443 |
| 46 | 457 |
| 47 | 462 |
| 48 | 476 |
| 49 | 481 |
| 50 | 495 |
| 51 | 508 |
| 52 | 513 |
| 53 | 527 |
| 54 | 532 |
[4,18,23,37,42,56,61,75,80,99,103,117,122,136,141, 155,160,179,184,198,202,216,221,235,240,259,264, 278,283,297,301,315,320,339,344,358,363,377,382, 396,400,419,424,438,443,457,462,476,481,495,508, 513,527,532] |