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 | 1 |
| 1 | 228 |
| 2 | 305184 |
| 3 | 334056618 |
| 4 | 376940962215 |
| 5 | 423657524608288 |
| 6 | 476450515130518749 |
| 7 | 535774070372040050788 |
| 8 | 602492787376187496898304 |
| 9 | 677518242019979197787376936 |
| 10 | 761886547661136372157201911987 |
| 11 | 856760801962209647160995669509984 |
| 12 | 963449325363457811035756544808212891 |