This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 1 | 15 |
| 2 | 35 |
| 3 | 45 |
| 4 | 63 |
| 5 | 75 |
| 6 | 77 |
| 7 | 91 |
| 8 | 99 |
| 9 | 105 |
| 10 | 117 |
| 11 | 135 |
| 12 | 143 |
| 13 | 153 |
| 14 | 165 |
| 15 | 175 |
| 16 | 187 |
| 17 | 189 |
| 18 | 195 |
| 19 | 209 |
| 20 | 221 |
| 21 | 225 |
| 22 | 231 |
| 23 | 245 |
| 24 | 247 |
| 25 | 255 |
| 26 | 273 |
| 27 | 285 |
| 28 | 297 |
| 29 | 299 |
| 30 | 315 |
| 31 | 323 |
| 32 | 325 |
| 33 | 345 |
| 34 | 351 |
| 35 | 357 |
| 36 | 375 |
| 37 | 385 |
| 38 | 391 |
| 39 | 399 |
| 40 | 405 |
| 41 | 425 |