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 | 5 |
| 2 | 10 |
| 3 | 19 |
| 4 | 20 |
| 5 | 36 |
| 6 | 48 |
| 7 | 50 |
| 8 | 61 |
| 9 | 76 |
| 10 | 77 |
| 11 | 116 |
| 12 | 136 |
| 13 | 156 |
| 14 | 158 |
| 15 | 181 |
| 16 | 184 |
| 17 | 210 |
| 18 | 242 |
| 19 | 249 |
| 20 | 252 |
| 21 | 281 |
| 22 | 285 |
| 23 | 293 |
| 24 | 296 |
| 25 | 318 |
| 26 | 326 |
| 27 | 359 |
| 28 | 405 |
| 29 | 413 |
| 30 | 415 |
| 31 | 454 |
| 32 | 459 |
| 33 | 463 |
| 34 | 476 |
| 35 | 505 |
| 36 | 507 |
| 37 | 512 |
| 38 | 515 |
| 39 | 560 |
| 40 | 566 |
| 41 | 622 |
| 42 | 680 |
| 43 | 687 |
| 44 | 743 |
| 45 | 752 |
| 46 | 813 |
| 47 | 817 |
| 48 | 823 |