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 | 401 |
| 2 | 491 |
| 3 | 701 |
| 4 | 761 |
| 5 | 911 |
| 6 | 1381 |
| 7 | 1571 |
| 8 | 2161 |
| 9 | 2531 |
| 10 | 2741 |
| 11 | 2861 |
| 12 | 2971 |
| 13 | 3011 |
| 14 | 3041 |
| 15 | 3221 |
| 16 | 3271 |
| 17 | 3491 |
| 18 | 3701 |
| 19 | 3881 |
| 20 | 4751 |
| 21 | 5051 |
| 22 | 5171 |
| 23 | 6011 |
| 24 | 6221 |
| 25 | 6451 |
| 26 | 6521 |
| 27 | 6581 |
| 28 | 7151 |
| 29 | 7351 |
| 30 | 7621 |
| 31 | 7691 |
| 32 | 8171 |
| 33 | 8191 |
| 34 | 8681 |
| 35 | 8761 |
| 36 | 8971 |
| 37 | 9311 |
| 38 | 9941 |
| 39 | 10151 |
| 40 | 10391 |
| 41 | 10531 |
| 42 | 10631 |
| 43 | 10691 |