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 | 89 |
| 2 | 227 |
| 3 | 251 |
| 4 | 257 |
| 5 | 277 |
| 6 | 281 |
| 7 | 349 |
| 8 | 409 |
| 9 | 449 |
| 10 | 499 |
| 11 | 521 |
| 12 | 557 |
| 13 | 577 |
| 14 | 587 |
| 15 | 727 |
| 16 | 757 |
| 17 | 787 |
| 18 | 821 |
| 19 | 827 |
| 20 | 857 |
| 21 | 877 |
| 22 | 881 |
| 23 | 887 |
| 24 | 991 |
| 25 | 1117 |
| 26 | 1129 |
| 27 | 1171 |
| 28 | 1187 |
| 29 | 1259 |
| 30 | 1289 |
| 31 | 1423 |
| 32 | 1447 |
| 33 | 1453 |
| 34 | 1471 |
| 35 | 1483 |
| 36 | 1543 |
| 37 | 1553 |
| 38 | 1559 |
| 39 | 1583 |
| 40 | 1621 |
| 41 | 1669 |
| 42 | 1721 |
| 43 | 1741 |
| 44 | 1747 |
| 45 | 1777 |
| 46 | 1847 |
| 47 | 1889 |