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 | 3 |
| 2 | 588 |
| 3 | 17443 |
| 4 | 714235 |
| 5 | 29875350 |
| 6 | 1095840260 |
| 7 | 40765995197 |
| 8 | 1494347569074 |
| 9 | 54204721906375 |
| 10 | 1966753578705875 |
| 11 | 71178721732614714 |
| 12 | 2573134003964620565 |
| 13 | 93001271214814999684 |
| 14 | 3360101883867911885437 |
| 15 | 121381797022850227205242 |