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 | 139968 |
| 2 | 98802571392 |
| 3 | 174960000000 |
| 4 | 889223142528 |
| 5 | 1594323000000 |
| 6 | 2348273369088 |
| 7 | 19144761127488 |
| 8 | 28697814000000 |
| 9 | 56358560858112 |
| 10 | 84537841287168 |
| 11 | 150289495621632 |
| 12 | 186624000000000 |
| 13 | 328341017826432 |
| 14 | 369056250000000 |
| 15 | 392147405854848 |
| 16 | 578415690713088 |
| 17 | 597871125000000 |