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 | 322 |
| 2 | 1216380 |
| 3 | 3302453192 |
| 4 | 9457535113025 |
| 5 | 26888035021488624 |
| 6 | 76527499463086330097 |
| 7 | 217774999938555580092160 |
| 8 | 619738586975180574673477308 |
| 9 | 1763630522748154866449258489490 |
| 10 | 5018880864080352254319469089550521 |
| 11 | 14282562602209484999805202647488429632 |