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 | 1 |
| 1 | 11 |
| 2 | 101 |
| 3 | 1111 |
| 4 | 10291 |
| 5 | 100651 |
| 6 | 1004251 |
| 7 | 10165751 |
| 8 | 100064101 |
| 9 | 1000078501 |
| 10 | 10000222501 |
| 11 | 100062501601 |
| 12 | 1000062516001 |
| 13 | 10000062660001 |
| 14 | 100002441447211 |
| 15 | 1003922328562757 |
| 16 | 10000390625025601 |
| 17 | 100000002482366251 |