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 | 157 |
| 8 | 181 |
| 9 | 193 |
| 10 | 229 |
| 11 | 241 |
| 12 | 277 |
| 13 | 761 |
| 14 | 773 |
| 15 | 797 |
| 16 | 809 |
| 17 | 821 |
| 18 | 857 |
| 19 | 1039 |
| 20 | 1051 |
| 21 | 1063 |
| 22 | 1087 |
| 23 | 1123 |
| 24 | 1607 |
| 25 | 1619 |
| 26 | 1667 |
| 27 | 21169 |
| 28 | 21313 |
| 29 | 21601 |
| 30 | 22621 |
| 31 | 23053 |
| 32 | 23197 |
| 33 | 23629 |
| 34 | 23773 |
| 35 | 23917 |
| 36 | 24061 |
| 37 | 24793 |
| 38 | 25657 |
| 39 | 25801 |
| 40 | 26821 |
| 41 | 27109 |
| 42 | 27253 |