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 | 50 |
| 2 | 3060 |
| 3 | 141046 |
| 4 | 5285887 |
| 5 | 169756788 |
| 6 | 4836834467 |
| 7 | 125226945708 |
| 8 | 2997363216275 |
| 9 | 67192414310968 |
| 10 | 1424909830742272 |
| 11 | 28811928773038893 |
| 12 | 559031955620162864 |
| 13 | 10462533894185251783 |
| 14 | 189688734342719058204 |
| 15 | 3343610975591843927435 |