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 | 5 |
| 3 | 7 |
| 4 | 37 |
| 5 | 53 |
| 6 | 73 |
| 7 | 307 |
| 8 | 337 |
| 9 | 353 |
| 10 | 373 |
| 11 | 503 |
| 12 | 557 |
| 13 | 577 |
| 14 | 733 |
| 15 | 757 |
| 16 | 773 |
| 17 | 3037 |
| 18 | 3307 |
| 19 | 3373 |
| 20 | 3533 |
| 21 | 3557 |
| 22 | 3733 |
| 23 | 5003 |
| 24 | 5077 |
| 25 | 5303 |
| 26 | 5333 |
| 27 | 5503 |
| 28 | 5507 |
| 29 | 5557 |
| 30 | 5573 |
| 31 | 5737 |
| 32 | 7057 |
| 33 | 7307 |
| 34 | 7333 |
| 35 | 7507 |
| 36 | 7537 |
| 37 | 7573 |
| 38 | 7577 |
| 39 | 7703 |
| 40 | 7753 |
| 41 | 7757 |
| 42 | 30307 |
| 43 | 30553 |
| 44 | 30557 |
| 45 | 30577 |
| 46 | 30703 |
| 47 | 30707 |