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 | 8 |
| 2 | 128 |
| 3 | 1808 |
| 4 | 25808 |
| 5 | 369040 |
| 6 | 5276816 |
| 7 | 75450768 |
| 8 | 1078839952 |
| 9 | 15425887120 |
| 10 | 220568403088 |
| 11 | 3153816694160 |
| 12 | 45095125134992 |
| 13 | 644796609413008 |
| 14 | 9219680980164752 |
| 15 | 131828418659815824 |
| 16 | 1884960228421653136 |