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 | 605185576317848261 |
| 2 | 639847242910261121 |
| 3 | 674508909502673981 |
| 4 | 709170576095086841 |
| 5 | 743832242687499701 |
| 6 | 778493909279912561 |
| 7 | 813155575872325421 |
| 8 | 847817242464738281 |
| 9 | 882478909057151141 |
| 10 | 917140575649564001 |
| 11 | 951802242241976861 |
| 12 | 986463908834389721 |
| 13 | 1021125575426802581 |