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 | 0 |
| 1 | 1 |
| 2 | 5 |
| 3 | 14 |
| 4 | 34 |
| 5 | 68 |
| 6 | 133 |
| 7 | 232 |
| 8 | 402 |
| 9 | 652 |
| 10 | 1048 |
| 11 | 1609 |
| 12 | 2465 |
| 13 | 3640 |
| 14 | 5358 |
| 15 | 7694 |
| 16 | 10993 |
| 17 | 15399 |
| 18 | 21498 |
| 19 | 29520 |
| 20 | 40394 |
| 21 | 54572 |
| 22 | 73425 |
| 23 | 97756 |
| 24 | 129710 |
| 25 | 170525 |
| 26 | 223428 |
| 27 | 290552 |
| 28 | 376551 |
| 29 | 484819 |
| 30 | 622317 |
| 31 | 794167 |
| 32 | 1010515 |
| 33 | 1279376 |
| 34 | 1615126 |
| 35 | 2029948 |
| 36 | 2544600 |
| 37 | 3176856 |
| 38 | 3956277 |