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| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 20 |
| 3 | 30 |
| 4 | 35 |
| 5 | 40 |
| 6 | 45 |
| 7 | 52 |
| 8 | 55 |
| 9 | 60 |
| 10 | 68 |
| 11 | 70 |
| 12 | 75 |
| 13 | 80 |
| 14 | 90 |
| 15 | 91 |
| 16 | 100 |
| 17 | 104 |
| 18 | 105 |
| 19 | 110 |
| 20 | 116 |
| 21 | 117 |
| 22 | 120 |
| 23 | 135 |
| 24 | 136 |
| 25 | 140 |
| 26 | 143 |
| 27 | 148 |
| 28 | 150 |
| 29 | 153 |
| 30 | 156 |
| 31 | 160 |
| 32 | 164 |
| 33 | 165 |
| 34 | 175 |
| 35 | 180 |
| 36 | 182 |
| 37 | 187 |
| 38 | 195 |
| 39 | 200 |
| 40 | 204 |
| 41 | 208 |
| 42 | 210 |
| 43 | 212 |
| 44 | 220 |
| 45 | 221 |
| 46 | 225 |
| 47 | 232 |
| 48 | 234 |
| 49 | 240 |
| 50 | 244 |
| 51 | 245 |
| 52 | 247 |
| 53 | 255 |
| 54 | 260 |
| 55 | 270 |
[15,20,30,35,40,45,52,55,60,68,70,75,80,90,91,100, 104,105,110,116,117,120,135,136,140,143,148,150, 153,156,160,164,165,175,180,182,187,195,200,204, 208,210,212,220,221,225,232,234,240,244,245,247, 255,260,270] |