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 | 2 |
| 2 | 5 |
| 3 | 7 |
| 4 | 11 |
| 5 | 101 |
| 6 | 131 |
| 7 | 151 |
| 8 | 181 |
| 9 | 353 |
| 10 | 757 |
| 11 | 787 |
| 12 | 919 |
| 13 | 929 |
| 14 | 10501 |
| 15 | 12721 |
| 16 | 14341 |
| 17 | 16661 |
| 18 | 17471 |
| 19 | 17971 |
| 20 | 18181 |
| 21 | 18481 |
| 22 | 19991 |
| 23 | 30803 |
| 24 | 31513 |
| 25 | 32323 |
| 26 | 35053 |
| 27 | 36263 |
| 28 | 36563 |
| 29 | 38083 |
| 30 | 38783 |
| 31 | 70207 |
| 32 | 70507 |
| 33 | 70607 |
| 34 | 71317 |
| 35 | 71917 |
| 36 | 74747 |
| 37 | 76667 |
| 38 | 79997 |
| 39 | 93739 |