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 | 421 |
| 2 | 673 |
| 3 | 2473 |
| 4 | 4561 |
| 5 | 5821 |
| 6 | 9601 |
| 7 | 12301 |
| 8 | 14281 |
| 9 | 19861 |
| 10 | 30661 |
| 11 | 32173 |
| 12 | 33721 |
| 13 | 61261 |
| 14 | 67741 |
| 15 | 84121 |
| 16 | 94273 |
| 17 | 107773 |
| 18 | 110581 |
| 19 | 122173 |
| 20 | 134341 |
| 21 | 170773 |
| 22 | 203821 |
| 23 | 207673 |
| 24 | 223441 |
| 25 | 227473 |
| 26 | 265381 |
| 27 | 274201 |
| 28 | 287701 |
| 29 | 344941 |
| 30 | 365173 |
| 31 | 391273 |
| 32 | 396601 |
| 33 | 418273 |
| 34 | 423781 |
| 35 | 469141 |