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 | 2 |
| 1 | 7 |
| 2 | 16 |
| 3 | 33 |
| 4 | 62 |
| 5 | 110 |
| 6 | 190 |
| 7 | 320 |
| 8 | 533 |
| 9 | 879 |
| 10 | 1440 |
| 11 | 2350 |
| 12 | 3824 |
| 13 | 6210 |
| 14 | 10073 |
| 15 | 16324 |
| 16 | 26441 |
| 17 | 42812 |
| 18 | 69302 |
| 19 | 112166 |
| 20 | 181522 |
| 21 | 293745 |
| 22 | 475327 |
| 23 | 769134 |
| 24 | 1244526 |
| 25 | 2013728 |
| 26 | 3258324 |
| 27 | 5272125 |
| 28 | 8530524 |