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) |
|---|---|
| 5 | 112 |
| 6 | 299 |
| 7 | 979 |
| 8 | 3702 |
| 9 | 15717 |
| 10 | 73561 |
| 11 | 374718 |
| 12 | 2057641 |
| 13 | 12088759 |
| 14 | 75528808 |
| 15 | 499336559 |
| 16 | 3478563389 |
| 17 | 25443377280 |
| 18 | 194791872127 |
| 19 | 1556720156567 |
| 20 | 12955521377878 |
| 21 | 112041717014289 |
| 22 | 1004979994978317 |
| 23 | 9333443375249734 |
| 24 | 89610138696275685 |
| 25 | 888152337277216747 |