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 | 3 |
| 3 | 7 |
| 4 | 11 |
| 5 | 19 |
| 6 | 28 |
| 7 | 40 |
| 8 | 50 |
| 9 | 60 |
| 10 | 76 |
| 11 | 96 |
| 12 | 115 |
| 13 | 139 |
| 14 | 163 |
| 15 | 189 |
| 16 | 207 |
| 17 | 239 |
| 18 | 270 |
| 19 | 306 |
| 20 | 340 |
| 21 | 378 |
| 22 | 417 |
| 23 | 461 |
| 24 | 503 |
| 25 | 539 |
| 26 | 585 |
| 27 | 621 |
| 28 | 670 |
| 29 | 726 |
| 30 | 779 |
| 31 | 839 |
| 32 | 881 |
| 33 | 941 |
| 34 | 1003 |
| 35 | 1067 |
| 36 | 1113 |
| 37 | 1185 |
| 38 | 1254 |
| 39 | 1326 |
| 40 | 1397 |
| 41 | 1477 |
| 42 | 1553 |
| 43 | 1637 |
| 44 | 1717 |
| 45 | 1799 |
| 46 | 1884 |
| 47 | 1976 |
| 48 | 2063 |
| 49 | 2135 |
| 50 | 2225 |