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 | 10 |
| 3 | 49 |
| 4 | 66 |
| 5 | 118 |
| 6 | 883 |
| 7 | 2202 |
| 8 | 6493 |
| 9 | 62334 |
| 10 | 135241 |
| 11 | 353587 |
| 12 | 1162507 |
| 13 | 5155873 |
| 14 | 7280413 |
| 15 | 37356153 |