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 | 7 |
| 3 | 11 |
| 4 | 19 |
| 5 | 31 |
| 6 | 43 |
| 7 | 67 |
| 8 | 103 |
| 9 | 127 |
| 10 | 131 |
| 11 | 199 |
| 12 | 239 |
| 13 | 307 |
| 14 | 331 |
| 15 | 379 |
| 16 | 439 |
| 17 | 463 |
| 18 | 547 |
| 19 | 683 |
| 20 | 887 |
| 21 | 911 |
| 22 | 991 |
| 23 | 1123 |
| 24 | 1171 |
| 25 | 1291 |
| 26 | 1531 |
| 27 | 1543 |
| 28 | 1783 |
| 29 | 1951 |
| 30 | 2731 |
| 31 | 2843 |
| 32 | 3067 |
| 33 | 3079 |
| 34 | 3511 |
| 35 | 3823 |
| 36 | 4099 |
| 37 | 5107 |
| 38 | 5323 |
| 39 | 5419 |
| 40 | 5659 |
| 41 | 5851 |
| 42 | 6151 |
| 43 | 6343 |
| 44 | 6679 |
| 45 | 6871 |
| 46 | 6967 |
| 47 | 7159 |
| 48 | 8191 |