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 | 211 |
| 3 | 311 |
| 4 | 811 |
| 5 | 911 |
| 6 | 1511 |
| 7 | 1811 |
| 8 | 2011 |
| 9 | 2111 |
| 10 | 2311 |
| 11 | 2411 |
| 12 | 2711 |
| 13 | 3011 |
| 14 | 3511 |
| 15 | 3911 |
| 16 | 4111 |
| 17 | 4211 |
| 18 | 5011 |
| 19 | 5711 |
| 20 | 6011 |
| 21 | 6211 |
| 22 | 6311 |
| 23 | 6911 |
| 24 | 7211 |
| 25 | 7411 |
| 26 | 8011 |
| 27 | 8111 |
| 28 | 8311 |
| 29 | 9011 |
| 30 | 9311 |
| 31 | 9511 |
| 32 | 9811 |
| 33 | 10111 |
| 34 | 10211 |
| 35 | 10711 |
| 36 | 11311 |
| 37 | 11411 |
| 38 | 12011 |
| 39 | 12211 |
| 40 | 12511 |
| 41 | 12611 |