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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 15 |
| 3 | 21 |
| 4 | 33 |
| 5 | 39 |
| 6 | 45 |
| 7 | 57 |
| 8 | 63 |
| 9 | 78 |
| 10 | 87 |
| 11 | 93 |
| 12 | 99 |
| 13 | 111 |
| 14 | 117 |
| 15 | 132 |
| 16 | 135 |
| 17 | 150 |
| 18 | 156 |
| 19 | 165 |
| 20 | 171 |
| 21 | 186 |
| 22 | 189 |
| 23 | 204 |
| 24 | 210 |
| 25 | 222 |
| 26 | 228 |
| 27 | 234 |
| 28 | 249 |
| 29 | 255 |
| 30 | 261 |
| 31 | 273 |
| 32 | 279 |
| 33 | 294 |
| 34 | 297 |
| 35 | 312 |
| 36 | 318 |
| 37 | 327 |
| 38 | 333 |
| 39 | 348 |
| 40 | 351 |
| 41 | 366 |
| 42 | 372 |
| 43 | 384 |
| 44 | 390 |
| 45 | 396 |
| 46 | 405 |
| 47 | 420 |
| 48 | 426 |
| 49 | 438 |
| 50 | 444 |
| 51 | 450 |
| 52 | 462 |
| 53 | 468 |
| 54 | 483 |
| 55 | 489 |
| 56 | 495 |
[0,15,21,33,39,45,57,63,78,87,93,99,111,117,132, 135,150,156,165,171,186,189,204,210,222,228,234, 249,255,261,273,279,294,297,312,318,327,333,348, 351,366,372,384,390,396,405,420,426,438,444,450, 462,468,483,489,495] |