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 | 8 |
| 4 | 15 |
| 5 | 34 |
| 6 | 67 |
| 7 | 133 |
| 8 | 255 |
| 9 | 486 |
| 10 | 901 |
| 11 | 1649 |
| 12 | 2984 |
| 13 | 5312 |
| 14 | 9373 |
| 15 | 16342 |
| 16 | 28221 |
| 17 | 48283 |
| 18 | 81928 |
| 19 | 137858 |
| 20 | 230278 |
| 21 | 381919 |
| 22 | 629156 |
| 23 | 1029933 |
| 24 | 1675856 |
| 25 | 2711288 |
| 26 | 4362575 |
| 27 | 6983196 |
| 28 | 11122327 |
| 29 | 17630798 |
| 30 | 27820283 |
| 31 | 43706461 |
| 32 | 68375137 |
| 33 | 106534093 |
| 34 | 165340844 |
| 35 | 255643289 |