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 | 0 |
| 2 | 235 |
| 3 | 1696 |
| 4 | 2571 |
| 5 | 3796 |
| 6 | 12075 |
| 7 | 17140 |
| 8 | 24255 |
| 9 | 72468 |
| 10 | 101983 |
| 11 | 143448 |
| 12 | 424447 |
| 13 | 596472 |
| 14 | 838147 |
| 15 | 2475928 |
| 16 | 3478563 |
| 17 | 4887148 |
| 18 | 14432835 |
| 19 | 20276620 |
| 20 | 28486455 |
| 21 | 84122796 |
| 22 | 118182871 |
| 23 | 166033296 |
| 24 | 490305655 |
| 25 | 688822320 |
| 26 | 967715035 |
| 27 | 2857712848 |