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 | 18426689288 |
| 2 | 20689194392 |
| 3 | 166940780112 |
| 4 | 3956149616328 |
| 5 | 53611112714103 |
| 6 | 562576374032408 |
| 7 | 11110701930362937 |
| 8 | 17146742033697471 |
| 9 | 24658089729767487 |
| 10 | 45512714439607464 |