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 | 5 |
| 4 | 12 |
| 5 | 26 |
| 6 | 58 |
| 7 | 131 |
| 8 | 295 |
| 9 | 662 |
| 10 | 1487 |
| 11 | 3342 |
| 12 | 7510 |
| 13 | 16874 |
| 14 | 37915 |
| 15 | 85195 |
| 16 | 191432 |
| 17 | 430143 |
| 18 | 966522 |
| 19 | 2171756 |
| 20 | 4879892 |
| 21 | 10965017 |
| 22 | 24638169 |
| 23 | 55361464 |
| 24 | 124396081 |
| 25 | 279515456 |
| 26 | 628065528 |
| 27 | 1411250432 |
| 28 | 3171050937 |
| 29 | 7125286777 |
| 30 | 16010374058 |
| 31 | 35974983957 |
| 32 | 80835055196 |