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 | 3 |
| 3 | 5 |
| 4 | 7 |
| 5 | 11 |
| 6 | 13 |
| 7 | 197 |
| 8 | 211 |
| 9 | 239 |
| 10 | 281 |
| 11 | 337 |
| 12 | 379 |
| 13 | 619 |
| 14 | 647 |
| 15 | 661 |
| 16 | 773 |
| 17 | 1013 |
| 18 | 1069 |
| 19 | 1097 |
| 20 | 1153 |
| 21 | 1787 |
| 22 | 1801 |
| 23 | 1871 |
| 24 | 1913 |
| 25 | 2237 |
| 26 | 2251 |
| 27 | 2293 |
| 28 | 2617 |
| 29 | 2659 |
| 30 | 2687 |
| 31 | 2729 |
| 32 | 39397 |
| 33 | 41959 |
| 34 | 42743 |
| 35 | 43331 |
| 36 | 43933 |
| 37 | 44129 |
| 38 | 45697 |
| 39 | 45893 |
| 40 | 46691 |
| 41 | 47279 |
| 42 | 48259 |