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 | 1 |
| 2 | 7 |
| 3 | 84 |
| 4 | 1463 |
| 5 | 33936 |
| 6 | 990542 |
| 7 | 34938624 |
| 8 | 1445713003 |
| 9 | 68639375616 |
| 10 | 3676366634402 |
| 11 | 219208706540544 |
| 12 | 14397191399702118 |
| 13 | 1032543050697424896 |
| 14 | 80280469685284582812 |
| 15 | 6725557192852592984064 |
| 16 | 603931579625379293509683 |