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 | 57 |
| 3 | 1203 |
| 4 | 2307 |
| 5 | 3837 |
| 6 | 3843 |
| 7 | 4227 |
| 8 | 4257 |
| 9 | 5277 |
| 10 | 7053 |
| 11 | 7473 |
| 12 | 9933 |
| 13 | 10893 |
| 14 | 11487 |
| 15 | 12603 |
| 16 | 23223 |
| 17 | 32397 |
| 18 | 44037 |
| 19 | 44517 |
| 20 | 46893 |
| 21 | 48327 |
| 22 | 48693 |
| 23 | 52083 |
| 24 | 52923 |
| 25 | 54813 |
| 26 | 55647 |
| 27 | 61827 |
| 28 | 61977 |
| 29 | 62493 |
| 30 | 71733 |
| 31 | 71793 |
| 32 | 77097 |
| 33 | 81837 |
| 34 | 97383 |
| 35 | 98487 |
| 36 | 98853 |
| 37 | 99393 |
| 38 | 102117 |
| 39 | 102753 |
| 40 | 109617 |
| 41 | 112347 |