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 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 5 |
| 5 | 8 |
| 6 | 18 |
| 7 | 28 |
| 8 | 64 |
| 9 | 100 |
| 10 | 237 |
| 11 | 374 |
| 12 | 917 |
| 13 | 1460 |
| 14 | 3679 |
| 15 | 5898 |
| 16 | 15183 |
| 17 | 24468 |
| 18 | 64055 |
| 19 | 103642 |
| 20 | 275011 |
| 21 | 446380 |
| 22 | 1197616 |
| 23 | 1948852 |
| 24 | 5277070 |
| 25 | 8605288 |
| 26 | 23483743 |
| 27 | 38362198 |
| 28 | 105392983 |
| 29 | 172423768 |
| 30 | 476459938 |
| 31 | 780496108 |
| 32 | 2167743688 |
| 33 | 3554991268 |