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 | 148 |
| 2 | 21022 |
| 3 | 2984983 |
| 4 | 423846571 |
| 5 | 60183228106 |
| 6 | 8545594544488 |
| 7 | 1213414242089197 |
| 8 | 172296276782121493 |
| 9 | 24464857888819162816 |
| 10 | 3473837523935538998386 |