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 | 84 |
| 2 | 7056 |
| 3 | 319769 |
| 4 | 9331553 |
| 5 | 211856287 |
| 6 | 4364554008 |
| 7 | 90682660877 |
| 8 | 1970202629627 |
| 9 | 44404431681110 |
| 10 | 1020688669518185 |
| 11 | 23669944875525397 |
| 12 | 551060981056174321 |
| 13 | 12857376512847673306 |
| 14 | 300489121615902701612 |
| 15 | 7032615140846782176382 |