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) |
|---|---|
| 0 | 5 |
| 1 | 144 |
| 2 | 4181 |
| 3 | 121393 |
| 4 | 3524578 |
| 5 | 102334155 |
| 6 | 2971215073 |
| 7 | 86267571272 |
| 8 | 2504730781961 |
| 9 | 72723460248141 |
| 10 | 2111485077978050 |
| 11 | 61305790721611591 |
| 12 | 1779979416004714189 |
| 13 | 51680708854858323072 |
| 14 | 1500520536206896083277 |