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 | 103 |
| 4 | 109 |
| 5 | 139 |
| 6 | 163 |
| 7 | 181 |
| 8 | 211 |
| 9 | 379 |
| 10 | 457 |
| 11 | 463 |
| 12 | 1021 |
| 13 | 1087 |
| 14 | 1123 |
| 15 | 1201 |
| 16 | 1249 |
| 17 | 1303 |
| 18 | 1381 |
| 19 | 1579 |
| 20 | 1597 |
| 21 | 1609 |
| 22 | 1699 |
| 23 | 1861 |
| 24 | 1873 |
| 25 | 1987 |
| 26 | 2011 |
| 27 | 2029 |
| 28 | 2053 |
| 29 | 2143 |
| 30 | 2221 |
| 31 | 2281 |
| 32 | 2341 |
| 33 | 2473 |
| 34 | 2503 |
| 35 | 2557 |
| 36 | 2731 |
| 37 | 2857 |
| 38 | 3061 |
| 39 | 3067 |
| 40 | 3217 |
| 41 | 3253 |
| 42 | 3271 |
| 43 | 3319 |
| 44 | 3331 |
| 45 | 3517 |