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 | 2173053503712 |
| 2 | 2343670763432 |
| 3 | 2887988897882 |
| 4 | 3032556552303 |
| 5 | 4613275723164 |
| 6 | 4667854587664 |
| 7 | 6905463645096 |
| 8 | 6961808081696 |
| 9 | 9426499946249 |
| 10 | 32470599507423 |
| 11 | 39267522576293 |
| 12 | 64370766707346 |
| 13 | 84547966974548 |