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 | 867 |
| 2 | 17129 |
| 3 | 320950 |
| 4 | 6182747 |
| 5 | 119032248 |
| 6 | 2295692500 |
| 7 | 44280784440 |
| 8 | 854262466837 |
| 9 | 16480691222664 |
| 10 | 317958213164772 |
| 11 | 6134299936443854 |
| 12 | 118348278776443364 |
| 13 | 2283277183839898530 |
| 14 | 44051001079322901638 |
| 15 | 849870585415520935170 |