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 | 181 |
| 2 | 193 |
| 3 | 241 |
| 4 | 277 |
| 5 | 373 |
| 6 | 433 |
| 7 | 577 |
| 8 | 661 |
| 9 | 709 |
| 10 | 733 |
| 11 | 757 |
| 12 | 829 |
| 13 | 853 |
| 14 | 877 |
| 15 | 997 |
| 16 | 1069 |
| 17 | 1201 |
| 18 | 1237 |
| 19 | 1549 |
| 20 | 1597 |
| 21 | 1609 |
| 22 | 1621 |
| 23 | 1657 |
| 24 | 1669 |
| 25 | 1693 |
| 26 | 1777 |
| 27 | 1789 |
| 28 | 1933 |
| 29 | 1993 |
| 30 | 2113 |
| 31 | 2269 |
| 32 | 2293 |
| 33 | 2377 |
| 34 | 2389 |
| 35 | 2557 |
| 36 | 2617 |
| 37 | 2677 |
| 38 | 2749 |
| 39 | 2833 |
| 40 | 2857 |
| 41 | 2917 |
| 42 | 2953 |