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 | 21 |
| 2 | 99 |
| 3 | 125 |
| 4 | 177 |
| 5 | 203 |
| 6 | 255 |
| 7 | 333 |
| 8 | 385 |
| 9 | 411 |
| 10 | 437 |
| 11 | 489 |
| 12 | 515 |
| 13 | 567 |
| 14 | 645 |
| 15 | 671 |
| 16 | 697 |
| 17 | 723 |
| 18 | 749 |
| 19 | 775 |
| 20 | 801 |
| 21 | 879 |
| 22 | 905 |
| 23 | 931 |
| 24 | 957 |
| 25 | 1035 |
| 26 | 1113 |
| 27 | 1139 |
| 28 | 1165 |
| 29 | 1191 |
| 30 | 1243 |
| 31 | 1269 |
| 32 | 1295 |
| 33 | 1347 |
| 34 | 1425 |
| 35 | 1477 |
| 36 | 1503 |
| 37 | 1529 |
| 38 | 1555 |
| 39 | 1581 |
| 40 | 1633 |
| 41 | 1659 |
| 42 | 1685 |
| 43 | 1711 |
| 44 | 1737 |
| 45 | 1763 |
| 46 | 1815 |
| 47 | 1841 |