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 | 10761055201 |
| 2 | 26244332101 |
| 3 | 49430153305 |
| 4 | 53125756201 |
| 5 | 247173316831 |
| 6 | 276228879031 |
| 7 | 360187750105 |
| 8 | 516311394481 |
| 9 | 558417883465 |
| 10 | 605526139765 |
| 11 | 765771364801 |
| 12 | 823307740165 |
| 13 | 877094650081 |
| 14 | 904455227845 |
| 15 | 1113985668601 |
| 16 | 1237898798461 |
| 17 | 1324214598565 |
| 18 | 1353668162185 |
| 19 | 1370368908805 |