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) |
|---|---|
| 1 | 29 |
| 2 | 239 |
| 3 | 1037 |
| 4 | 3296 |
| 5 | 8838 |
| 6 | 21183 |
| 7 | 46586 |
| 8 | 95455 |
| 9 | 184222 |
| 10 | 337727 |
| 11 | 592178 |
| 12 | 998751 |
| 13 | 1627894 |
| 14 | 2574399 |
| 15 | 3963306 |
| 16 | 5956703 |
| 17 | 8761486 |
| 18 | 12638143 |
| 19 | 17910626 |
| 20 | 24977375 |
| 21 | 34323558 |
| 22 | 46534591 |
| 23 | 62311002 |
| 24 | 82484703 |
| 25 | 108036734 |
| 26 | 140116543 |
| 27 | 180062866 |