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 | 4 |
| 5 | 11 |
| 6 | 29 |
| 7 | 73 |
| 8 | 171 |
| 9 | 370 |
| 10 | 743 |
| 11 | 1397 |
| 12 | 2482 |
| 13 | 4201 |
| 14 | 6821 |
| 15 | 10685 |
| 16 | 16225 |
| 17 | 23976 |
| 18 | 34591 |
| 19 | 48857 |
| 20 | 67712 |
| 21 | 92263 |
| 22 | 123805 |
| 23 | 163841 |
| 24 | 214103 |
| 25 | 276574 |
| 26 | 353511 |
| 27 | 447469 |
| 28 | 561326 |
| 29 | 698309 |
| 30 | 862021 |
| 31 | 1056469 |
| 32 | 1286093 |
| 33 | 1555796 |
| 34 | 1870975 |
| 35 | 2237553 |