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 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 18 |
| 7 | 32 |
| 8 | 59 |
| 9 | 107 |
| 10 | 202 |
| 11 | 375 |
| 12 | 709 |
| 13 | 1344 |
| 14 | 2567 |
| 15 | 4905 |
| 16 | 9423 |
| 17 | 18151 |
| 18 | 35051 |
| 19 | 67879 |
| 20 | 131688 |
| 21 | 255972 |
| 22 | 498339 |
| 23 | 971558 |
| 24 | 1896661 |
| 25 | 3706983 |
| 26 | 7252576 |
| 27 | 14203258 |
| 28 | 27839240 |
| 29 | 54610355 |
| 30 | 107204740 |
| 31 | 210595574 |
| 32 | 413961363 |
| 33 | 814190153 |
| 34 | 1602250651 |