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 | 2 |
| 5 | 5 |
| 6 | 11 |
| 7 | 21 |
| 8 | 36 |
| 9 | 58 |
| 10 | 94 |
| 11 | 166 |
| 12 | 331 |
| 13 | 716 |
| 14 | 1574 |
| 15 | 3368 |
| 16 | 6892 |
| 17 | 13447 |
| 18 | 25127 |
| 19 | 45391 |
| 20 | 80428 |
| 21 | 142615 |
| 22 | 259085 |
| 23 | 491855 |
| 24 | 982400 |
| 25 | 2045001 |
| 26 | 4352661 |
| 27 | 9291361 |
| 28 | 19609786 |
| 29 | 40574017 |
| 30 | 81973315 |
| 31 | 161568281 |
| 32 | 311062991 |
| 33 | 586764281 |
| 34 | 1089615033 |
| 35 | 2005257849 |
| 36 | 3688711427 |