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 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 11 |
| 7 | 28 |
| 8 | 46 |
| 9 | 122 |
| 10 | 207 |
| 11 | 562 |
| 12 | 977 |
| 13 | 2693 |
| 14 | 4769 |
| 15 | 13288 |
| 16 | 23872 |
| 17 | 67064 |
| 18 | 121862 |
| 19 | 344588 |
| 20 | 631958 |
| 21 | 1796518 |
| 22 | 3319923 |
| 23 | 9479780 |
| 24 | 17630692 |
| 25 | 50532640 |
| 26 | 94493713 |
| 27 | 271710662 |
| 28 | 510468519 |
| 29 | 1471935235 |
| 30 | 2776629563 |
| 31 | 8026070768 |
| 32 | 15194389388 |
| 33 | 44015873308 |
| 34 | 83591476528 |