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) |
|---|---|
| 0 | 11 |
| 1 | 23 |
| 2 | 34 |
| 3 | 57 |
| 4 | 91 |
| 5 | 148 |
| 6 | 239 |
| 7 | 387 |
| 8 | 626 |
| 9 | 1013 |
| 10 | 1639 |
| 11 | 2652 |
| 12 | 4291 |
| 13 | 6943 |
| 14 | 11234 |
| 15 | 18177 |
| 16 | 29411 |
| 17 | 47588 |
| 18 | 76999 |
| 19 | 124587 |
| 20 | 201586 |
| 21 | 326173 |
| 22 | 527759 |
| 23 | 853932 |
| 24 | 1381691 |
| 25 | 2235623 |
| 26 | 3617314 |
| 27 | 5852937 |
| 28 | 9470251 |
| 29 | 15323188 |
| 30 | 24793439 |