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 | 7 |
| 2 | 373 |
| 3 | 93739 |
| 4 | 129373921 |
| 5 | 3212937392123 |
| 6 | 34321293739212343 |
| 7 | 353432129373921234353 |
| 8 | 1335343212937392123435331 |
| 9 | 1171335343212937392123435331711 |
| 10 | 1051171335343212937392123435331711501 |
| 11 | 74105117133534321293739212343533171150147 |