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 | 11 |
| 3 | 101 |
| 4 | 191 |
| 5 | 821 |
| 6 | 1481 |
| 7 | 1871 |
| 8 | 2081 |
| 9 | 3251 |
| 10 | 3461 |
| 11 | 5651 |
| 12 | 9431 |
| 13 | 13001 |
| 14 | 15641 |
| 15 | 15731 |
| 16 | 16061 |
| 17 | 18041 |
| 18 | 18911 |
| 19 | 19421 |
| 20 | 21011 |
| 21 | 22271 |
| 22 | 25301 |
| 23 | 31721 |
| 24 | 34841 |
| 25 | 43781 |
| 26 | 51341 |
| 27 | 55331 |
| 28 | 62981 |
| 29 | 67211 |
| 30 | 69491 |
| 31 | 72221 |
| 32 | 77261 |
| 33 | 79691 |
| 34 | 81041 |
| 35 | 82721 |
| 36 | 88811 |
| 37 | 97841 |
| 38 | 99131 |