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) |
|---|---|
| 3 | 1 |
| 4 | 3 |
| 5 | 8 |
| 6 | 20 |
| 7 | 46 |
| 8 | 97 |
| 9 | 189 |
| 10 | 344 |
| 11 | 591 |
| 12 | 967 |
| 13 | 1518 |
| 14 | 2300 |
| 15 | 3380 |
| 16 | 4837 |
| 17 | 6763 |
| 18 | 9264 |
| 19 | 12461 |
| 20 | 16491 |
| 21 | 21508 |
| 22 | 27684 |
| 23 | 35210 |
| 24 | 44297 |
| 25 | 55177 |
| 26 | 68104 |
| 27 | 83355 |
| 28 | 101231 |
| 29 | 122058 |
| 30 | 146188 |
| 31 | 174000 |
| 32 | 205901 |
| 33 | 242327 |
| 34 | 283744 |
| 35 | 330649 |
| 36 | 383571 |
| 37 | 443072 |