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 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 9 |
| 5 | 16 |
| 6 | 27 |
| 7 | 44 |
| 8 | 73 |
| 9 | 130 |
| 10 | 251 |
| 11 | 507 |
| 12 | 1025 |
| 13 | 2016 |
| 14 | 3811 |
| 15 | 6907 |
| 16 | 12033 |
| 17 | 20282 |
| 18 | 33475 |
| 19 | 55253 |
| 20 | 94185 |
| 21 | 171896 |
| 22 | 342651 |
| 23 | 737266 |
| 24 | 1655657 |
| 25 | 3751786 |
| 26 | 8386587 |
| 27 | 18274843 |
| 28 | 38629505 |
| 29 | 79123224 |
| 30 | 157157411 |
| 31 | 303174298 |
| 32 | 569093601 |
| 33 | 1041436386 |