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 | 407 |
| 3 | 9667 |
| 4 | 240358 |
| 5 | 5987795 |
| 6 | 149355515 |
| 7 | 3724940988 |
| 8 | 92915045150 |
| 9 | 2317648165893 |
| 10 | 57811518197886 |
| 11 | 1442053664104187 |
| 12 | 35970710709296927 |
| 13 | 897256757776720016 |
| 14 | 22381259751777880373 |
| 15 | 558280348730102033060 |