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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 7 |
| 6 | 41 |
| 7 | 43 |
| 8 | 47 |
| 9 | 49 |
| 10 | 83 |
| 11 | 85 |
| 12 | 89 |
| 13 | 202 |
| 14 | 302 |
| 15 | 303 |
| 16 | 411 |
| 17 | 412 |
| 18 | 502 |
| 19 | 503 |
| 20 | 830 |
| 21 | 2020 |
| 22 | 2021 |
| 23 | 2023 |
| 24 | 2025 |
| 25 | 2029 |
| 26 | 2030 |
| 27 | 2032 |
| 28 | 3020 |
| 29 | 3021 |
| 30 | 4111 |
| 31 | 4112 |
| 32 | 5020 |
| 33 | 5021 |
| 34 | 6111 |
| 35 | 6112 |
| 36 | 9202 |
| 37 | 9203 |
| 38 | 20202 |
| 39 | 30202 |
| 40 | 30203 |
| 41 | 41111 |
| 42 | 41112 |
| 43 | 50202 |
| 44 | 50203 |
| 45 | 83020 |
| 46 | 202020 |