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 | 77 |
| 3 | 147 |
| 4 | 217 |
| 5 | 287 |
| 6 | 357 |
| 7 | 427 |
| 8 | 497 |
| 9 | 567 |
| 10 | 637 |
| 11 | 707 |
| 12 | 777 |
| 13 | 847 |
| 14 | 917 |
| 15 | 987 |
| 16 | 1057 |
| 17 | 1127 |
| 18 | 1197 |
| 19 | 1267 |
| 20 | 1337 |
| 21 | 1407 |
| 22 | 1477 |
| 23 | 1547 |
| 24 | 1617 |
| 25 | 1687 |
| 26 | 1757 |
| 27 | 1827 |
| 28 | 1897 |
| 29 | 1967 |
| 30 | 2037 |
| 31 | 2107 |
| 32 | 2177 |
| 33 | 2247 |
| 34 | 2317 |
| 35 | 2387 |
| 36 | 2457 |
| 37 | 2527 |
| 38 | 2597 |
| 39 | 2667 |
| 40 | 2737 |
| 41 | 2807 |
| 42 | 2877 |
| 43 | 2947 |
| 44 | 3017 |
| 45 | 3087 |
| 46 | 3157 |
| 47 | 3227 |