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 | 37 |
| 4 | 67 |
| 5 | 73 |
| 6 | 83 |
| 7 | 337 |
| 8 | 367 |
| 9 | 373 |
| 10 | 383 |
| 11 | 673 |
| 12 | 677 |
| 13 | 683 |
| 14 | 733 |
| 15 | 773 |
| 16 | 787 |
| 17 | 863 |
| 18 | 877 |
| 19 | 883 |
| 20 | 887 |
| 21 | 3373 |
| 22 | 3637 |
| 23 | 3673 |
| 24 | 3677 |
| 25 | 3733 |
| 26 | 3767 |
| 27 | 3833 |
| 28 | 3863 |
| 29 | 3877 |
| 30 | 6337 |
| 31 | 6367 |
| 32 | 6373 |
| 33 | 6637 |
| 34 | 6673 |
| 35 | 6733 |
| 36 | 6737 |
| 37 | 6763 |
| 38 | 6833 |
| 39 | 6863 |
| 40 | 6883 |
| 41 | 7333 |
| 42 | 7673 |
| 43 | 7687 |
| 44 | 7867 |
| 45 | 7873 |
| 46 | 7877 |
| 47 | 7883 |
| 48 | 8363 |