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 | 11 |
| 2 | 23 |
| 3 | 53 |
| 4 | 173 |
| 5 | 233 |
| 6 | 593 |
| 7 | 653 |
| 8 | 1103 |
| 9 | 1223 |
| 10 | 2693 |
| 11 | 2903 |
| 12 | 2963 |
| 13 | 4793 |
| 14 | 5303 |
| 15 | 6263 |
| 16 | 6323 |
| 17 | 7823 |
| 18 | 9473 |
| 19 | 10253 |
| 20 | 11783 |
| 21 | 12653 |
| 22 | 13463 |
| 23 | 15803 |
| 24 | 20753 |
| 25 | 25673 |
| 26 | 27743 |
| 27 | 27773 |
| 28 | 29873 |
| 29 | 31253 |
| 30 | 33623 |
| 31 | 38183 |
| 32 | 38453 |
| 33 | 39233 |
| 34 | 40283 |
| 35 | 41603 |
| 36 | 44273 |
| 37 | 44543 |
| 38 | 54443 |
| 39 | 54773 |
| 40 | 59393 |
| 41 | 60083 |
| 42 | 62213 |