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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 6 |
| 3 | 9 |
| 4 | 20 |
| 5 | 28 |
| 6 | 30 |
| 7 | 42 |
| 8 | 44 |
| 9 | 45 |
| 10 | 52 |
| 11 | 63 |
| 12 | 66 |
| 13 | 68 |
| 14 | 76 |
| 15 | 78 |
| 16 | 92 |
| 17 | 99 |
| 18 | 100 |
| 19 | 102 |
| 20 | 114 |
| 21 | 116 |
| 22 | 117 |
| 23 | 124 |
| 24 | 138 |
| 25 | 140 |
| 26 | 148 |
| 27 | 150 |
| 28 | 153 |
| 29 | 164 |
| 30 | 171 |
| 31 | 172 |
| 32 | 174 |
| 33 | 186 |
| 34 | 188 |
| 35 | 196 |
| 36 | 207 |
| 37 | 210 |
| 38 | 212 |
| 39 | 220 |
| 40 | 222 |
| 41 | 225 |
| 42 | 236 |
| 43 | 244 |
| 44 | 246 |
| 45 | 258 |
| 46 | 260 |
| 47 | 261 |
| 48 | 268 |
| 49 | 279 |
| 50 | 282 |
| 51 | 284 |
| 52 | 292 |
| 53 | 294 |
| 54 | 308 |
| 55 | 315 |
| 56 | 316 |
[4,6,9,20,28,30,42,44,45,52,63,66,68,76,78,92,99, 100,102,114,116,117,124,138,140,148,150,153,164, 171,172,174,186,188,196,207,210,212,220,222,225, 236,244,246,258,260,261,268,279,282,284,292,294, 308,315,316] |