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) |
|---|---|
| 1 | 8 |
| 2 | 95 |
| 3 | 63 |
| 4 | 240 |
| 5 | 422 |
| 6 | 780 |
| 7 | 1708 |
| 8 | 3362 |
| 9 | 6794 |
| 10 | 14943 |
| 11 | 29523 |
| 12 | 61474 |
| 13 | 128150 |
| 14 | 264417 |
| 15 | 548393 |
| 16 | 1137867 |
| 17 | 2348710 |
| 18 | 4866530 |
| 19 | 10091166 |
| 20 | 20917294 |
| 21 | 43349064 |
| 22 | 89869896 |
| 23 | 186296604 |
| 24 | 386177081 |
| 25 | 800695527 |
| 26 | 1660420377 |
| 27 | 3442732936 |
| 28 | 7137995410 |