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 | 76 |
| 2 | 80917 |
| 3 | 91807 |
| 4 | 326508 |
| 5 | 475023 |
| 6 | 524973 |
| 7 | 673488 |
| 8 | 4323775 |
| 9 | 4767130 |
| 10 | 5232866 |
| 11 | 5676221 |
| 12 | 4083911139 |
| 13 | 4975000248 |
| 14 | 5024999748 |
| 15 | 5916088857 |
| 16 | 9503960494 |
| 17 | 9604950394 |
| 18 | 4186904462790 |
| 19 | 4313465946773 |
| 20 | 5686534053223 |
| 21 | 5813095537206 |