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 | 1 |
| 3 | 101 |
| 4 | 102 |
| 5 | 10103 |
| 6 | 10205 |
| 7 | 1010308 |
| 8 | 1020513 |
| 9 | 101030821 |
| 10 | 102051334 |
| 11 | 10103082155 |
| 12 | 10205133489 |
| 13 | 1010308215644 |
| 14 | 1020513349133 |
| 15 | 101030821564777 |
| 16 | 102051334913910 |
| 17 | 10103082156478687 |
| 18 | 10205133491392597 |
| 19 | 1010308215647871284 |
| 20 | 1020513349139263881 |
| 21 | 101030821564787135165 |
| 22 | 102051334913926399046 |