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 | 611000000000061 |
| 2 | 1631000000000163 |
| 3 | 1931000000000193 |
| 4 | 2111000000000211 |
| 5 | 2711000000000271 |
| 6 | 3311000000000331 |
| 7 | 5471000000000547 |
| 8 | 6611000000000661 |
| 9 | 7511000000000751 |
| 10 | 7871000000000787 |
| 11 | 9971000000000997 |
| 12 | 10511000000001051 |