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 | 2 |
| 2 | 4 |
| 3 | 9 |
| 4 | 19 |
| 5 | 39 |
| 6 | 77 |
| 7 | 143 |
| 8 | 259 |
| 9 | 452 |
| 10 | 767 |
| 11 | 1267 |
| 12 | 2043 |
| 13 | 3223 |
| 14 | 4986 |
| 15 | 7573 |
| 16 | 11311 |
| 17 | 16634 |
| 18 | 24114 |
| 19 | 34497 |
| 20 | 48744 |
| 21 | 68083 |
| 22 | 94072 |
| 23 | 128672 |
| 24 | 174333 |
| 25 | 234091 |
| 26 | 311692 |
| 27 | 411723 |
| 28 | 539773 |
| 29 | 702614 |
| 30 | 908407 |
| 31 | 1166943 |
| 32 | 1489914 |