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 | 213 |
| 2 | 1133 |
| 3 | 1343 |
| 4 | 1383 |
| 5 | 1385 |
| 6 | 1835 |
| 7 | 1937 |
| 8 | 2315 |
| 9 | 2807 |
| 10 | 3091 |
| 11 | 3093 |
| 12 | 3095 |
| 13 | 3147 |
| 14 | 3977 |
| 15 | 4313 |
| 16 | 4529 |
| 17 | 4835 |
| 18 | 5089 |
| 19 | 5609 |
| 20 | 5611 |
| 21 | 6185 |
| 22 | 6533 |
| 23 | 7141 |
| 24 | 8129 |
| 25 | 8131 |
| 26 | 8133 |
| 27 | 8135 |
| 28 | 9753 |
| 29 | 9755 |
| 30 | 9983 |
| 31 | 9985 |
| 32 | 9987 |
| 33 | 9989 |
| 34 | 10401 |
| 35 | 10403 |
| 36 | 11013 |
| 37 | 11015 |
| 38 | 11099 |
| 39 | 11663 |
| 40 | 12053 |