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 | 7 |
| 2 | 13 |
| 3 | 31 |
| 4 | 43 |
| 5 | 73 |
| 6 | 91 |
| 7 | 127 |
| 8 | 157 |
| 9 | 211 |
| 10 | 217 |
| 11 | 241 |
| 12 | 301 |
| 13 | 307 |
| 14 | 403 |
| 15 | 421 |
| 16 | 463 |
| 17 | 511 |
| 18 | 559 |
| 19 | 601 |
| 20 | 757 |
| 21 | 889 |
| 22 | 949 |
| 23 | 1093 |
| 24 | 1099 |
| 25 | 1123 |
| 26 | 1333 |
| 27 | 1477 |
| 28 | 1483 |
| 29 | 1651 |
| 30 | 1687 |
| 31 | 1723 |
| 32 | 2041 |
| 33 | 2149 |
| 34 | 2263 |
| 35 | 2551 |
| 36 | 2743 |
| 37 | 2801 |
| 38 | 2821 |
| 39 | 2947 |
| 40 | 2971 |
| 41 | 3133 |
| 42 | 3139 |
| 43 | 3241 |
| 44 | 3307 |
| 45 | 3541 |
| 46 | 3907 |
| 47 | 3913 |
| 48 | 3937 |