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 | 88 |
| 2 | 4224 |
| 3 | 146432 |
| 4 | 4100096 |
| 5 | 98402304 |
| 6 | 2099249152 |
| 7 | 40785412096 |
| 8 | 734137417728 |
| 9 | 12398765277184 |
| 10 | 198380244434944 |
| 11 | 3029807369551872 |
| 12 | 44437174753427456 |
| 13 | 628956934971588608 |
| 14 | 8625695108181786624 |
| 15 | 115009268109090488320 |
| 16 | 1495120485418176348160 |
| 17 | 18996824991195652423680 |