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 | 2 |
| 2 | 5 |
| 3 | 11 |
| 4 | 101 |
| 5 | 151 |
| 6 | 181 |
| 7 | 619 |
| 8 | 659 |
| 9 | 6229 |
| 10 | 10501 |
| 11 | 12821 |
| 12 | 15551 |
| 13 | 16091 |
| 14 | 18181 |
| 15 | 19861 |
| 16 | 60209 |
| 17 | 60509 |
| 18 | 61519 |
| 19 | 61819 |
| 20 | 62129 |
| 21 | 116911 |
| 22 | 119611 |
| 23 | 160091 |
| 24 | 169691 |
| 25 | 191161 |
| 26 | 196961 |
| 27 | 605509 |
| 28 | 620029 |
| 29 | 625529 |
| 30 | 626929 |
| 31 | 650059 |
| 32 | 655559 |
| 33 | 656959 |
| 34 | 682289 |
| 35 | 686989 |
| 36 | 688889 |