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 | 9 |
| 3 | 22 |
| 4 | 29 |
| 5 | 92 |
| 6 | 99 |
| 7 | 222 |
| 8 | 229 |
| 9 | 292 |
| 10 | 299 |
| 11 | 922 |
| 12 | 929 |
| 13 | 992 |
| 14 | 999 |
| 15 | 2222 |
| 16 | 2229 |
| 17 | 2292 |
| 18 | 2299 |
| 19 | 2922 |
| 20 | 2929 |
| 21 | 2992 |
| 22 | 2999 |
| 23 | 9222 |
| 24 | 9229 |
| 25 | 9292 |
| 26 | 9299 |
| 27 | 9922 |
| 28 | 9929 |
| 29 | 9992 |
| 30 | 9999 |
| 31 | 22222 |
| 32 | 22229 |
| 33 | 22292 |
| 34 | 22299 |
| 35 | 22922 |
| 36 | 22929 |
| 37 | 22992 |
| 38 | 22999 |
| 39 | 29222 |
| 40 | 29229 |
| 41 | 29292 |
| 42 | 29299 |
| 43 | 29922 |
| 44 | 29929 |