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 | 23 |
| 4 | 223 |
| 5 | 233 |
| 6 | 2003 |
| 7 | 2203 |
| 8 | 2333 |
| 9 | 3023 |
| 10 | 3203 |
| 11 | 3323 |
| 12 | 20023 |
| 13 | 20233 |
| 14 | 20323 |
| 15 | 20333 |
| 16 | 22003 |
| 17 | 22303 |
| 18 | 23003 |
| 19 | 23203 |
| 20 | 23333 |
| 21 | 30203 |
| 22 | 30223 |
| 23 | 30323 |
| 24 | 32003 |
| 25 | 32203 |
| 26 | 32233 |
| 27 | 32303 |
| 28 | 32323 |
| 29 | 33023 |
| 30 | 33203 |
| 31 | 33223 |
| 32 | 200003 |
| 33 | 200023 |
| 34 | 200033 |
| 35 | 200323 |
| 36 | 203023 |
| 37 | 203233 |
| 38 | 203323 |