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 | 0 |
| 2 | 10 |
| 3 | 104 |
| 4 | 1048 |
| 5 | 10077 |
| 6 | 96411 |
| 7 | 919196 |
| 8 | 8779116 |
| 9 | 84018465 |
| 10 | 806042505 |
| 11 | 7751259738 |
| 12 | 74707764877 |
| 13 | 721541770283 |
| 14 | 6982040969944 |
| 15 | 67679076290812 |
| 16 | 657067482195951 |
| 17 | 6388342113379479 |
| 18 | 62192024806773396 |
| 19 | 606179550401383787 |