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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 6 |
| 5 | 10 |
| 6 | 17 |
| 7 | 32 |
| 8 | 56 |
| 9 | 97 |
| 10 | 181 |
| 11 | 322 |
| 12 | 567 |
| 13 | 1053 |
| 14 | 1892 |
| 15 | 3369 |
| 16 | 6241 |
| 17 | 11286 |
| 18 | 20255 |
| 19 | 37463 |
| 20 | 68044 |
| 21 | 122809 |
| 22 | 226896 |
| 23 | 413376 |
| 24 | 749159 |
| 25 | 1382990 |
| 26 | 2525162 |
| 27 | 4590351 |
| 28 | 8468738 |
| 29 | 15487526 |
| 30 | 28218889 |
| 31 | 52035094 |
| 32 | 95273724 |
| 33 | 173898941 |