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 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 7 |
| 6 | 11 |
| 7 | 25 |
| 8 | 46 |
| 9 | 94 |
| 10 | 182 |
| 11 | 372 |
| 12 | 727 |
| 13 | 1471 |
| 14 | 2916 |
| 15 | 5849 |
| 16 | 11657 |
| 17 | 23364 |
| 18 | 46620 |
| 19 | 93348 |
| 20 | 186503 |
| 21 | 373172 |
| 22 | 745998 |
| 23 | 1492369 |
| 24 | 2983948 |
| 25 | 5968679 |
| 26 | 11935893 |
| 27 | 23873162 |
| 28 | 47743475 |
| 29 | 95489895 |
| 30 | 190973738 |
| 31 | 381953528 |
| 32 | 763895349 |
| 33 | 1527802031 |
| 34 | 3055581071 |
| 35 | 6111185475 |