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 | 4 |
| 2 | 26 |
| 3 | 86 |
| 4 | 8149 |
| 5 | 63071 |
| 6 | 16297 |
| 7 | 649051 |
| 8 | 58252941851 |
| 9 | 92725334137 |
| 10 | 1053497381056741 |
| 11 | 1278670308661982 |
| 12 | 94977834729989377 |
| 13 | 670970457022641744643 |
| 14 | 875040780930863483219 |
| 15 | 717513198454659455769232618 |
| 16 | 5543447679090248342657818634097933227550696536461 |