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 | 449 |
| 2 | 1289 |
| 3 | 3557 |
| 4 | 4397 |
| 5 | 4999 |
| 6 | 5209 |
| 7 | 6203 |
| 8 | 6637 |
| 9 | 7043 |
| 10 | 8387 |
| 11 | 10613 |
| 12 | 11369 |
| 13 | 13147 |
| 14 | 13399 |
| 15 | 14323 |
| 16 | 16871 |
| 17 | 18481 |
| 18 | 19391 |
| 19 | 20147 |
| 20 | 20707 |
| 21 | 26489 |
| 22 | 28813 |
| 23 | 29387 |
| 24 | 29947 |
| 25 | 30241 |
| 26 | 32831 |
| 27 | 32999 |
| 28 | 33587 |
| 29 | 36107 |
| 30 | 37591 |
| 31 | 38053 |
| 32 | 39719 |
| 33 | 40559 |
| 34 | 41231 |
| 35 | 41609 |