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 | 7 |
| 2 | 37 |
| 3 | 127 |
| 4 | 167 |
| 5 | 257 |
| 6 | 337 |
| 7 | 757 |
| 8 | 797 |
| 9 | 887 |
| 10 | 1307 |
| 11 | 1597 |
| 12 | 1657 |
| 13 | 1667 |
| 14 | 2347 |
| 15 | 2557 |
| 16 | 2897 |
| 17 | 2927 |
| 18 | 3067 |
| 19 | 4297 |
| 20 | 4327 |
| 21 | 4877 |
| 22 | 5087 |
| 23 | 5147 |
| 24 | 5227 |
| 25 | 5417 |
| 26 | 5857 |
| 27 | 6337 |
| 28 | 6827 |
| 29 | 6917 |
| 30 | 6967 |
| 31 | 7127 |
| 32 | 7187 |
| 33 | 7547 |
| 34 | 7687 |
| 35 | 7867 |
| 36 | 7877 |
| 37 | 8147 |
| 38 | 8447 |
| 39 | 8527 |
| 40 | 8647 |
| 41 | 9857 |
| 42 | 10037 |
| 43 | 10687 |