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 | 2 |
| 1 | 1 |
| 2 | 1 |
| 3 | 19 |
| 4 | 7 |
| 5 | 151 |
| 6 | 37 |
| 7 | 139 |
| 8 | 37 |
| 9 | 7 |
| 10 | 277 |
| 11 | 817 |
| 12 | 61 |
| 13 | 1267 |
| 14 | 97 |
| 15 | 2371 |
| 16 | 1549 |
| 17 | 19 |
| 18 | 619 |
| 19 | 97 |
| 20 | 391 |
| 21 | 409 |
| 22 | 649 |
| 23 | 5527 |
| 24 | 2731 |
| 25 | 559 |
| 26 | 949 |
| 27 | 427 |
| 28 | 601 |
| 29 | 2797 |
| 30 | 1681 |
| 31 | 7189 |
| 32 | 2449 |
| 33 | 6751 |
| 34 | 7597 |
| 35 | 8419 |
| 36 | 16879 |
| 37 | 871 |
| 38 | 5569 |
| 39 | 10327 |
| 40 | 16111 |
| 41 | 2131 |
| 42 | 6121 |
| 43 | 23329 |
| 44 | 5179 |
| 45 | 4249 |
| 46 | 2641 |
| 47 | 2257 |
| 48 | 3997 |