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 | 19 |
| 3 | 43 |
| 4 | 67 |
| 5 | 97 |
| 6 | 163 |
| 7 | 193 |
| 8 | 307 |
| 9 | 313 |
| 10 | 379 |
| 11 | 457 |
| 12 | 499 |
| 13 | 643 |
| 14 | 673 |
| 15 | 739 |
| 16 | 769 |
| 17 | 859 |
| 18 | 883 |
| 19 | 907 |
| 20 | 937 |
| 21 | 1009 |
| 22 | 1297 |
| 23 | 1483 |
| 24 | 1489 |
| 25 | 1579 |
| 26 | 1609 |
| 27 | 1867 |
| 28 | 1873 |
| 29 | 1993 |
| 30 | 2083 |
| 31 | 2137 |
| 32 | 2203 |
| 33 | 2347 |
| 34 | 2377 |
| 35 | 2473 |
| 36 | 2539 |
| 37 | 2617 |
| 38 | 2659 |
| 39 | 2683 |
| 40 | 2689 |
| 41 | 2707 |
| 42 | 2833 |
| 43 | 2857 |
| 44 | 2953 |
| 45 | 3019 |
| 46 | 3163 |
| 47 | 3187 |
| 48 | 3217 |