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 | 19 |
| 2 | 109 |
| 3 | 181 |
| 4 | 271 |
| 5 | 379 |
| 6 | 811 |
| 7 | 991 |
| 8 | 2161 |
| 9 | 3079 |
| 10 | 4159 |
| 11 | 4969 |
| 12 | 5851 |
| 13 | 7309 |
| 14 | 8929 |
| 15 | 10099 |
| 16 | 10711 |
| 17 | 13339 |
| 18 | 17029 |
| 19 | 21169 |
| 20 | 22051 |
| 21 | 23869 |
| 22 | 25759 |
| 23 | 26731 |
| 24 | 28729 |
| 25 | 32941 |
| 26 | 34039 |
| 27 | 37441 |
| 28 | 38611 |
| 29 | 39799 |
| 30 | 48619 |
| 31 | 58321 |
| 32 | 59779 |
| 33 | 67339 |
| 34 | 70489 |
| 35 | 72091 |
| 36 | 89101 |
| 37 | 90901 |
| 38 | 102079 |
| 39 | 109891 |
| 40 | 117991 |
| 41 | 122149 |