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 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 11 |
| 5 | 77 |
| 6 | 363 |
| 7 | 1111 |
| 8 | 2662 |
| 9 | 111111 |
| 10 | 246642 |
| 11 | 11111111 |
| 12 | 363474363 |
| 13 | 2664444662 |
| 14 | 26644444662 |
| 15 | 246644446642 |
| 16 | 266444444662 |
| 17 | 2466444446642 |
| 18 | 3654345456545434563 |