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 | 12 |
| 2 | 21 |
| 3 | 57 |
| 4 | 123 |
| 5 | 249 |
| 6 | 417 |
| 7 | 532 |
| 8 | 699 |
| 9 | 867 |
| 10 | 1100 |
| 11 | 1389 |
| 12 | 1463 |
| 13 | 1509 |
| 14 | 1708 |
| 15 | 2049 |
| 16 | 2068 |
| 17 | 2307 |
| 18 | 2324 |
| 19 | 2913 |
| 20 | 3116 |
| 21 | 3147 |
| 22 | 3157 |
| 23 | 3273 |
| 24 | 3325 |
| 25 | 3619 |
| 26 | 3903 |
| 27 | 4227 |
| 28 | 4268 |
| 29 | 4636 |
| 30 | 4821 |
| 31 | 5079 |
| 32 | 5225 |
| 33 | 5324 |
| 34 | 5516 |
| 35 | 5739 |
| 36 | 6308 |
| 37 | 6391 |
| 38 | 6524 |
| 39 | 6621 |
| 40 | 6644 |
| 41 | 7469 |
| 42 | 8092 |
| 43 | 8193 |
| 44 | 8225 |
| 45 | 8457 |