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 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 14 |
| 6 | 32 |
| 7 | 57 |
| 8 | 123 |
| 9 | 239 |
| 10 | 493 |
| 11 | 970 |
| 12 | 1997 |
| 13 | 3953 |
| 14 | 8017 |
| 15 | 16024 |
| 16 | 32281 |
| 17 | 64550 |
| 18 | 129742 |
| 19 | 259561 |
| 20 | 520606 |
| 21 | 1041871 |
| 22 | 2087177 |
| 23 | 4176594 |
| 24 | 8362063 |
| 25 | 16730862 |
| 26 | 33483361 |
| 27 | 66987710 |
| 28 | 134029333 |
| 29 | 268117646 |
| 30 | 536373213 |
| 31 | 1072909785 |
| 32 | 2146169660 |