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 | 121174811 |
| 2 | 1128318991 |
| 3 | 2201579179 |
| 4 | 2715239543 |
| 5 | 2840465567 |
| 6 | 3510848161 |
| 7 | 3688067693 |
| 8 | 3893783651 |
| 9 | 5089850089 |
| 10 | 5825680093 |
| 11 | 6649068043 |
| 12 | 6778294049 |
| 13 | 7064865859 |
| 14 | 7912975891 |
| 15 | 8099786711 |
| 16 | 9010802341 |
| 17 | 9327115723 |
| 18 | 9491161423 |
| 19 | 9544001791 |
| 20 | 10101930253 |
| 21 | 10523406343 |
| 22 | 13193702321 |