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 | 3 |
| 3 | 5 |
| 4 | 10 |
| 5 | 14 |
| 6 | 31 |
| 7 | 44 |
| 8 | 90 |
| 9 | 154 |
| 10 | 296 |
| 11 | 524 |
| 12 | 1035 |
| 13 | 1881 |
| 14 | 3636 |
| 15 | 6869 |
| 16 | 13208 |
| 17 | 25150 |
| 18 | 48585 |
| 19 | 93188 |
| 20 | 180192 |
| 21 | 347617 |
| 22 | 673201 |
| 23 | 1303259 |
| 24 | 2529740 |
| 25 | 4910708 |
| 26 | 9549665 |
| 27 | 18579828 |
| 28 | 36192118 |
| 29 | 70540863 |
| 30 | 137620889 |
| 31 | 268655549 |
| 32 | 524873503 |
| 33 | 1026068477 |
| 34 | 2007178821 |
| 35 | 3928564237 |