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 | 2216 |
| 2 | 13064 |
| 3 | 73728 |
| 4 | 397504 |
| 5 | 2217096 |
| 6 | 12257032 |
| 7 | 67596992 |
| 8 | 373997376 |
| 9 | 2066660136 |
| 10 | 11420014856 |
| 11 | 63122102528 |
| 12 | 348845096320 |
| 13 | 1927940409608 |
| 14 | 10655229621512 |
| 15 | 58887811241024 |
| 16 | 325454196462720 |
| 17 | 1798683415254952 |
| 18 | 9940745874984456 |