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 | 3 |
| 3 | 7 |
| 4 | 14 |
| 5 | 26 |
| 6 | 48 |
| 7 | 92 |
| 8 | 184 |
| 9 | 375 |
| 10 | 758 |
| 11 | 1497 |
| 12 | 2884 |
| 13 | 5461 |
| 14 | 10286 |
| 15 | 19507 |
| 16 | 37584 |
| 17 | 73866 |
| 18 | 147987 |
| 19 | 301075 |
| 20 | 618794 |
| 21 | 1278116 |
| 22 | 2640993 |
| 23 | 5439593 |
| 24 | 11138764 |
| 25 | 22640100 |
| 26 | 45644797 |
| 27 | 91293390 |
| 28 | 181301470 |
| 29 | 358024924 |
| 30 | 704359427 |
| 31 | 1383415456 |
| 32 | 2718141072 |
| 33 | 5351701032 |
| 34 | 10570658330 |