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 | 25 |
| 2 | 225 |
| 3 | 22201 |
| 4 | 2002225 |
| 5 | 21022225 |
| 6 | 212722225 |
| 7 | 11222224225 |
| 8 | 132922222225 |
| 9 | 12222722202201 |
| 10 | 22222220262025 |
| 11 | 1222522204222225 |
| 12 | 22292262226224225 |
| 13 | 2222262262926922225 |
| 14 | 22226224222205212225 |
| 15 | 2222222222222640225 |
| 16 | 22222262422274682222225 |
| 17 | 1222212242622225512222224 |
| 18 | 2220022223125222222222201 |