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) |
|---|---|
| 0 | 13 |
| 1 | 1 |
| 2 | 4 |
| 3 | 44 |
| 4 | 66 |
| 5 | 484 |
| 6 | 4444 |
| 7 | 7326 |
| 8 | 6666 |
| 9 | 48884 |
| 10 | 73326 |
| 11 | 493284 |
| 12 | 888888 |
| 13 | 666666 |
| 14 | 5426124 |
| 15 | 4888884 |
| 16 | 6672666 |
| 17 | 7333326 |
| 18 | 44888844 |
| 19 | 73399326 |
| 20 | 246888642 |
| 21 | 67333266 |
| 22 | 4073662593 |
| 23 | 4893772884 |
| 24 | 4533773244 |
| 25 | 6800659866 |
| 26 | 2715775062 |
| 27 | 1481331852 |
| 28 | 493777284 |
| 29 | 740665926 |
| 30 | 8147325186 |
| 31 | 5431550124 |
| 32 | 74807258526 |