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 | 13 |
| 3 | 19 |
| 4 | 103 |
| 5 | 139 |
| 6 | 181 |
| 7 | 193 |
| 8 | 271 |
| 9 | 277 |
| 10 | 313 |
| 11 | 379 |
| 12 | 433 |
| 13 | 577 |
| 14 | 619 |
| 15 | 631 |
| 16 | 853 |
| 17 | 859 |
| 18 | 883 |
| 19 | 1093 |
| 20 | 1117 |
| 21 | 1123 |
| 22 | 1237 |
| 23 | 1279 |
| 24 | 1321 |
| 25 | 1741 |
| 26 | 1873 |
| 27 | 1933 |
| 28 | 1987 |
| 29 | 2659 |
| 30 | 2707 |
| 31 | 2713 |
| 32 | 2719 |
| 33 | 2767 |
| 34 | 2791 |
| 35 | 3163 |
| 36 | 3217 |
| 37 | 3271 |
| 38 | 3331 |
| 39 | 3469 |
| 40 | 3529 |
| 41 | 3547 |
| 42 | 3631 |
| 43 | 3637 |
| 44 | 3727 |
| 45 | 3907 |
| 46 | 3943 |
| 47 | 4129 |
| 48 | 4177 |