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 | 5 |
| 2 | 0 |
| 3 | 295 |
| 4 | 324 |
| 5 | 103585 |
| 6 | 1946752 |
| 7 | 68488297 |
| 8 | 1924357508 |
| 9 | 50441933177 |
| 10 | 1445554962912 |
| 11 | 36992542484103 |
| 12 | 1026445425096056 |
| 13 | 26650424305406609 |
| 14 | 720407685534768304 |
| 15 | 18921801302926160029 |
| 16 | 503810101426663743940 |