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 | 0 |
| 2 | 102 |
| 3 | 1001 |
| 4 | 10001 |
| 5 | 10003 |
| 6 | 10045 |
| 7 | 100001 |
| 8 | 100147 |
| 9 | 100155 |
| 10 | 1000001 |
| 11 | 10000001 |
| 12 | 10000012 |
| 13 | 10000024 |
| 14 | 10001567 |
| 15 | 100000001 |
| 16 | 100000002 |
| 17 | 100011555 |
| 18 | 1000000001 |
| 19 | 1000000003 |
| 20 | 1000000004 |
| 21 | 1000000005 |
| 22 | 1000000014 |
| 23 | 1000000024 |
| 24 | 1000002499 |