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 | 1 |
| 1 | 10 |
| 2 | 119 |
| 3 | 1626 |
| 4 | 24945 |
| 5 | 422994 |
| 6 | 7836255 |
| 7 | 157169826 |
| 8 | 3388099329 |
| 9 | 78031713690 |
| 10 | 1910451937671 |
| 11 | 49510386761130 |
| 12 | 1353167691897969 |
| 13 | 38878205830928226 |
| 14 | 1170930069982659375 |
| 15 | 36875214316479123954 |
| 16 | 1211549306913066598785 |
| 17 | 41445016025330141416746 |