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 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 7 |
| 8 | 13 |
| 9 | 25 |
| 10 | 49 |
| 11 | 97 |
| 12 | 193 |
| 13 | 385 |
| 14 | 769 |
| 15 | 1531 |
| 16 | 3049 |
| 17 | 6073 |
| 18 | 12097 |
| 19 | 24097 |
| 20 | 48001 |
| 21 | 95617 |
| 22 | 190465 |
| 23 | 379399 |
| 24 | 755749 |
| 25 | 1505425 |
| 26 | 2998753 |
| 27 | 5973409 |
| 28 | 11898817 |
| 29 | 23702017 |
| 30 | 47213569 |
| 31 | 94047739 |
| 32 | 187339729 |
| 33 | 373174033 |
| 34 | 743349313 |
| 35 | 1480725217 |