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 | 13 |
| 2 | 32 |
| 3 | 6 |
| 4 | 98 |
| 5 | 533 |
| 6 | 1822 |
| 7 | 13646 |
| 8 | 64560 |
| 9 | 292356 |
| 10 | 1935206 |
| 11 | 8977877 |
| 12 | 47025964 |
| 13 | 277252018 |
| 14 | 1342509714 |
| 15 | 7412660838 |
| 16 | 41080319424 |
| 17 | 209198027664 |
| 18 | 1166155310631 |
| 19 | 6311894489681 |
| 20 | 33391174168101 |
| 21 | 185469661266839 |
| 22 | 1001589651401307 |