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 | 976 |
| 2 | 15568 |
| 3 | 253072 |
| 4 | 4136296 |
| 5 | 67731268 |
| 6 | 1109832184 |
| 7 | 18189909484 |
| 8 | 298154846440 |
| 9 | 4887277903816 |
| 10 | 80111933563468 |
| 11 | 1313194979326324 |
| 12 | 21525927546323464 |
| 13 | 352853780193705268 |
| 14 | 5783993041849734796 |
| 15 | 94811448308361126868 |