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 | 37 |
| 1 | 266 |
| 2 | 2165 |
| 3 | 19714 |
| 4 | 198773 |
| 5 | 2199722 |
| 6 | 26516581 |
| 7 | 345921410 |
| 8 | 4856217989 |
| 9 | 73003575178 |
| 10 | 1170146049557 |
| 11 | 19921780455746 |
| 12 | 359032158501205 |
| 13 | 6828661185433514 |
| 14 | 136693194501702533 |
| 15 | 2872718327660671042 |
| 16 | 63240895146440396261 |
| 17 | 1455362908778264247050 |
| 18 | 34945987212582211588789 |