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 | 7 |
| 3 | 13 |
| 4 | 97 |
| 5 | 487 |
| 6 | 613 |
| 7 | 743 |
| 8 | 827 |
| 9 | 883 |
| 10 | 1117 |
| 11 | 1987 |
| 12 | 2477 |
| 13 | 2887 |
| 14 | 3863 |
| 15 | 4483 |
| 16 | 5153 |
| 17 | 5557 |
| 18 | 5683 |
| 19 | 5923 |
| 20 | 5953 |
| 21 | 6287 |
| 22 | 7643 |
| 23 | 7937 |
| 24 | 8093 |
| 25 | 9323 |
| 26 | 10343 |
| 27 | 12377 |
| 28 | 13033 |
| 29 | 13063 |
| 30 | 14087 |
| 31 | 14767 |
| 32 | 15373 |
| 33 | 16937 |
| 34 | 17713 |
| 35 | 17987 |
| 36 | 18257 |
| 37 | 19013 |
| 38 | 19333 |
| 39 | 19753 |
| 40 | 19853 |
| 41 | 20287 |
| 42 | 20873 |
| 43 | 21673 |