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 | 3 |
| 2 | 13 |
| 3 | 173 |
| 4 | 463 |
| 5 | 523 |
| 6 | 823 |
| 7 | 971 |
| 8 | 991 |
| 9 | 1291 |
| 10 | 1543 |
| 11 | 2113 |
| 12 | 4003 |
| 13 | 4019 |
| 14 | 4649 |
| 15 | 5923 |
| 16 | 6037 |
| 17 | 6101 |
| 18 | 7649 |
| 19 | 10103 |
| 20 | 12539 |
| 21 | 12841 |
| 22 | 17203 |
| 23 | 17569 |
| 24 | 18013 |
| 25 | 21193 |
| 26 | 22093 |
| 27 | 23321 |
| 28 | 25111 |
| 29 | 27197 |
| 30 | 31231 |
| 31 | 32009 |
| 32 | 32117 |
| 33 | 33349 |
| 34 | 34687 |
| 35 | 35423 |
| 36 | 35449 |
| 37 | 37747 |
| 38 | 39619 |
| 39 | 41729 |
| 40 | 41759 |
| 41 | 42017 |
| 42 | 43237 |
| 43 | 43331 |
| 44 | 44741 |
| 45 | 45841 |
| 46 | 50021 |
| 47 | 51437 |
| 48 | 52489 |
| 49 | 55921 |
| 50 | 56891 |