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 | 3 |
| 2 | 71 |
| 3 | 101 |
| 4 | 103 |
| 5 | 239 |
| 6 | 277 |
| 7 | 307 |
| 8 | 401 |
| 9 | 457 |
| 10 | 571 |
| 11 | 617 |
| 12 | 733 |
| 13 | 853 |
| 14 | 929 |
| 15 | 1051 |
| 16 | 1153 |
| 17 | 1223 |
| 18 | 1259 |
| 19 | 1283 |
| 20 | 1301 |
| 21 | 1381 |
| 22 | 1471 |
| 23 | 1669 |
| 24 | 1747 |
| 25 | 1889 |
| 26 | 1933 |
| 27 | 2027 |
| 28 | 2029 |
| 29 | 2039 |
| 30 | 2237 |
| 31 | 2377 |
| 32 | 2411 |
| 33 | 2659 |
| 34 | 2683 |
| 35 | 2693 |
| 36 | 2729 |
| 37 | 2857 |
| 38 | 2909 |
| 39 | 3011 |
| 40 | 3167 |
| 41 | 3181 |
| 42 | 3299 |
| 43 | 3343 |