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 | 2 |
| 1 | 114 |
| 2 | 1292 |
| 3 | 7257 |
| 4 | 27681 |
| 5 | 82654 |
| 6 | 208423 |
| 7 | 464405 |
| 8 | 941481 |
| 9 | 1006016 |
| 10 | 1880548 |
| 11 | 3313554 |
| 12 | 5559918 |
| 13 | 8953316 |
| 14 | 13921012 |
| 15 | 20999928 |
| 16 | 30853993 |
| 17 | 44292764 |
| 18 | 62291324 |
| 19 | 64384962 |
| 20 | 88749004 |
| 21 | 120355053 |
| 22 | 160831561 |
| 23 | 212067423 |
| 24 | 276238382 |
| 25 | 355834709 |