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 | 10111 |
| 2 | 11113 |
| 3 | 11117 |
| 4 | 11119 |
| 5 | 11131 |
| 6 | 11161 |
| 7 | 11171 |
| 8 | 11311 |
| 9 | 11411 |
| 10 | 16111 |
| 11 | 22229 |
| 12 | 23333 |
| 13 | 31333 |
| 14 | 33331 |
| 15 | 33343 |
| 16 | 33353 |
| 17 | 33533 |
| 18 | 38333 |
| 19 | 44449 |
| 20 | 47777 |
| 21 | 49999 |
| 22 | 59999 |
| 23 | 67777 |
| 24 | 71777 |
| 25 | 76777 |
| 26 | 77377 |
| 27 | 77477 |
| 28 | 77747 |
| 29 | 77773 |
| 30 | 77797 |
| 31 | 77977 |
| 32 | 79777 |
| 33 | 79999 |
| 34 | 88883 |
| 35 | 94999 |
| 36 | 97777 |