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 | 1091 |
| 2 | 15791 |
| 3 | 30091 |
| 4 | 369991 |
| 5 | 421691 |
| 6 | 501191 |
| 7 | 661091 |
| 8 | 1101091 |
| 9 | 1539991 |
| 10 | 2042591 |
| 11 | 2210291 |
| 12 | 2542091 |
| 13 | 2811191 |
| 14 | 3351191 |
| 15 | 3512291 |
| 16 | 3864691 |
| 17 | 4411391 |
| 18 | 4675591 |
| 19 | 5960791 |
| 20 | 5992291 |
| 21 | 5998691 |
| 22 | 6884191 |
| 23 | 6918391 |
| 24 | 7516891 |
| 25 | 8608591 |
| 26 | 8697791 |
| 27 | 9297091 |
| 28 | 9622891 |
| 29 | 9646291 |
| 30 | 12013091 |