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 | 4159927 |
| 2 | 8017100977 |
| 3 | 15431888950873 |
| 4 | 29707797738391051 |
| 5 | 57189617044768555919 |
| 6 | 110094177769643072247073 |
| 7 | 211939290252887391404913105 |
| 8 | 407998534122358956249893397419 |