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 | 0 |
| 3 | 61 |
| 4 | 61 |
| 5 | 6861 |
| 6 | 106881 |
| 7 | 806881 |
| 8 | 688611 |
| 9 | 6088861 |
| 10 | 169111 |
| 11 | 6601911 |
| 12 | 810681 |
| 13 | 1161 |
| 14 | 10086091 |
| 15 | 6096691 |
| 16 | 1016101 |
| 17 | 69088101 |
| 18 | 16106811 |
| 19 | 60088191 |
| 20 | 8608611 |
| 21 | 6008001 |
| 22 | 66169881 |
| 23 | 160161601 |
| 24 | 106898181 |
| 25 | 689060101 |
| 26 | 1811106801 |