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 | 265 |
| 2 | 1708 |
| 3 | 13365 |
| 4 | 114124 |
| 5 | 998112 |
| 6 | 8751552 |
| 7 | 76915200 |
| 8 | 677461056 |
| 9 | 5979015552 |
| 10 | 52866428352 |
| 11 | 468241962240 |
| 12 | 4153739516736 |
| 13 | 36900195503232 |
| 14 | 328234303349952 |
| 15 | 2923170205716480 |
| 16 | 26061029280983616 |
| 17 | 232569271090134912 |