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 | 2666847104 |
| 2 | 2695309694 |
| 3 | 8207456894 |
| 4 | 8967010688 |
| 5 | 12147283070 |
| 6 | 12491149670 |
| 7 | 13911605630 |
| 8 | 14126720894 |
| 9 | 17238119624 |
| 10 | 17238704768 |
| 11 | 18420223094 |
| 12 | 20922243110 |
| 13 | 21786026624 |
| 14 | 25118874494 |
| 15 | 26079705728 |
| 16 | 26979164288 |
| 17 | 27257009624 |
| 18 | 30000503168 |
| 19 | 30478990904 |
| 20 | 30832299134 |
| 21 | 32892108248 |