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 | 179 |
| 2 | 359 |
| 3 | 2699 |
| 4 | 3539 |
| 5 | 12119 |
| 6 | 17159 |
| 7 | 27479 |
| 8 | 53639 |
| 9 | 57839 |
| 10 | 63419 |
| 11 | 71399 |
| 12 | 74699 |
| 13 | 82499 |
| 14 | 87539 |
| 15 | 101399 |
| 16 | 107279 |
| 17 | 107699 |
| 18 | 112919 |
| 19 | 122099 |
| 20 | 122819 |
| 21 | 126839 |
| 22 | 127139 |
| 23 | 133499 |
| 24 | 139439 |
| 25 | 166739 |
| 26 | 167759 |
| 27 | 229739 |
| 28 | 253679 |
| 29 | 254279 |
| 30 | 287219 |
| 31 | 296099 |