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 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 13 |
| 6 | 24 |
| 7 | 43 |
| 8 | 78 |
| 9 | 142 |
| 10 | 256 |
| 11 | 463 |
| 12 | 838 |
| 13 | 1513 |
| 14 | 2735 |
| 15 | 4944 |
| 16 | 8931 |
| 17 | 16139 |
| 18 | 29164 |
| 19 | 52693 |
| 20 | 95213 |
| 21 | 172042 |
| 22 | 310855 |
| 23 | 561682 |
| 24 | 1014898 |
| 25 | 1833794 |
| 26 | 3313454 |
| 27 | 5987026 |
| 28 | 10817836 |
| 29 | 19546558 |
| 30 | 35318325 |
| 31 | 63816013 |
| 32 | 115307993 |
| 33 | 208347899 |
| 34 | 376459955 |
| 35 | 680218580 |
| 36 | 1229074432 |