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 | 3 |
| 3 | 5 |
| 4 | 23 |
| 5 | 53 |
| 6 | 223 |
| 7 | 233 |
| 8 | 353 |
| 9 | 523 |
| 10 | 2333 |
| 11 | 3253 |
| 12 | 3323 |
| 13 | 3533 |
| 14 | 5233 |
| 15 | 5323 |
| 16 | 5333 |
| 17 | 23333 |
| 18 | 25253 |
| 19 | 25523 |
| 20 | 32233 |
| 21 | 32323 |
| 22 | 32353 |
| 23 | 32533 |
| 24 | 33223 |
| 25 | 33353 |
| 26 | 33533 |
| 27 | 35323 |
| 28 | 35353 |
| 29 | 35533 |
| 30 | 52223 |
| 31 | 52253 |
| 32 | 52553 |
| 33 | 53233 |
| 34 | 53323 |
| 35 | 53353 |
| 36 | 55333 |
| 37 | 222323 |
| 38 | 222533 |
| 39 | 222553 |
| 40 | 223253 |
| 41 | 225223 |