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 | 0 |
| 1 | 1 |
| 2 | 23 |
| 3 | 39 |
| 4 | 71 |
| 5 | 103 |
| 6 | 151 |
| 7 | 199 |
| 8 | 263 |
| 9 | 311 |
| 10 | 407 |
| 11 | 487 |
| 12 | 551 |
| 13 | 647 |
| 14 | 791 |
| 15 | 855 |
| 16 | 983 |
| 17 | 1111 |
| 18 | 1255 |
| 19 | 1399 |
| 20 | 1527 |
| 21 | 1623 |
| 22 | 1863 |
| 23 | 2039 |
| 24 | 2167 |
| 25 | 2327 |
| 26 | 2615 |
| 27 | 2759 |
| 28 | 2951 |
| 29 | 3175 |
| 30 | 3367 |
| 31 | 3607 |
| 32 | 3863 |
| 33 | 4023 |
| 34 | 4407 |
| 35 | 4599 |
| 36 | 4791 |
| 37 | 5079 |
| 38 | 5511 |
| 39 | 5703 |
| 40 | 5959 |