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 | 7 |
| 2 | 97 |
| 3 | 1313 |
| 4 | 17759 |
| 5 | 240241 |
| 6 | 3249889 |
| 7 | 43963319 |
| 8 | 594719777 |
| 9 | 8045152705 |
| 10 | 108831897871 |
| 11 | 1472238306545 |
| 12 | 19915904010305 |
| 13 | 269415101335399 |
| 14 | 3644549440989793 |
| 15 | 49302138454678241 |
| 16 | 666941386187953343 |