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 | 1 |
| 2 | 149 |
| 3 | 331 |
| 4 | 373 |
| 5 | 509 |
| 6 | 701 |
| 7 | 757 |
| 8 | 809 |
| 9 | 877 |
| 10 | 907 |
| 11 | 959 |
| 12 | 997 |
| 13 | 1019 |
| 14 | 1087 |
| 15 | 1199 |
| 16 | 1207 |
| 17 | 1211 |
| 18 | 1243 |
| 19 | 1259 |
| 20 | 1271 |
| 21 | 1477 |
| 22 | 1529 |
| 23 | 1541 |
| 24 | 1549 |
| 25 | 1589 |
| 26 | 1597 |
| 27 | 1619 |
| 28 | 1657 |
| 29 | 1719 |
| 30 | 1759 |
| 31 | 1777 |
| 32 | 1783 |
| 33 | 1807 |
| 34 | 1829 |
| 35 | 1859 |
| 36 | 1867 |
| 37 | 1927 |
| 38 | 1969 |
| 39 | 1973 |
| 40 | 2171 |
| 41 | 2231 |