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 | 8 |
| 2 | 89 |
| 3 | 987 |
| 4 | 6765 |
| 5 | 75025 |
| 6 | 832040 |
| 7 | 9227465 |
| 8 | 63245986 |
| 9 | 701408733 |
| 10 | 7778742049 |
| 11 | 86267571272 |
| 12 | 956722026041 |
| 13 | 6557470319842 |
| 14 | 72723460248141 |
| 15 | 806515533049393 |
| 16 | 8944394323791464 |
| 17 | 99194853094755497 |
| 18 | 679891637638612258 |
| 19 | 7540113804746346429 |
| 20 | 83621143489848422977 |