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 | 4 |
| 3 | 10 |
| 4 | 26 |
| 5 | 56 |
| 6 | 126 |
| 7 | 252 |
| 8 | 512 |
| 9 | 980 |
| 10 | 1866 |
| 11 | 3427 |
| 12 | 6258 |
| 13 | 11121 |
| 14 | 19618 |
| 15 | 33975 |
| 16 | 58328 |
| 17 | 98732 |
| 18 | 165804 |
| 19 | 275246 |
| 20 | 453544 |
| 21 | 740338 |
| 22 | 1200088 |
| 23 | 1929897 |
| 24 | 3083898 |
| 25 | 4893775 |
| 26 | 7720826 |
| 27 | 12106814 |
| 28 | 18883104 |
| 29 | 29291740 |
| 30 | 45215386 |
| 31 | 69451631 |
| 32 | 106197524 |
| 33 | 161656759 |
| 34 | 245050410 |
| 35 | 369935066 |