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 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 8 |
| 6 | 16 |
| 7 | 33 |
| 8 | 63 |
| 9 | 121 |
| 10 | 225 |
| 11 | 415 |
| 12 | 749 |
| 13 | 1344 |
| 14 | 2365 |
| 15 | 4129 |
| 16 | 7106 |
| 17 | 12104 |
| 18 | 20354 |
| 19 | 33883 |
| 20 | 55706 |
| 21 | 90628 |
| 22 | 145729 |
| 23 | 231801 |
| 24 | 364555 |
| 25 | 567206 |
| 26 | 872727 |
| 27 | 1328545 |
| 28 | 2000536 |
| 29 | 2980554 |
| 30 | 4393287 |
| 31 | 6407683 |
| 32 | 9246830 |
| 33 | 13204526 |
| 34 | 18657905 |
| 35 | 26088244 |