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 | 5 |
| 6 | 6 |
| 7 | 9 |
| 8 | 13 |
| 9 | 26 |
| 10 | 44 |
| 11 | 87 |
| 12 | 165 |
| 13 | 305 |
| 14 | 523 |
| 15 | 948 |
| 16 | 1792 |
| 17 | 3501 |
| 18 | 6644 |
| 19 | 12622 |
| 20 | 23334 |
| 21 | 43232 |
| 22 | 79651 |
| 23 | 149716 |
| 24 | 281278 |
| 25 | 532051 |
| 26 | 1000247 |
| 27 | 1883093 |
| 28 | 3577619 |
| 29 | 6901273 |
| 30 | 13495425 |
| 31 | 26522993 |
| 32 | 51976835 |