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 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 9 |
| 5 | 19 |
| 6 | 24 |
| 7 | 41 |
| 8 | 49 |
| 9 | 68 |
| 10 | 82 |
| 11 | 109 |
| 12 | 116 |
| 13 | 155 |
| 14 | 172 |
| 15 | 201 |
| 16 | 225 |
| 17 | 271 |
| 18 | 285 |
| 19 | 341 |
| 20 | 358 |
| 21 | 409 |
| 22 | 448 |
| 23 | 505 |
| 24 | 516 |
| 25 | 594 |
| 26 | 634 |
| 27 | 689 |
| 28 | 728 |
| 29 | 811 |
| 30 | 828 |
| 31 | 929 |
| 32 | 961 |
| 33 | 1041 |
| 34 | 1102 |
| 35 | 1177 |
| 36 | 1205 |
| 37 | 1331 |
| 38 | 1384 |
| 39 | 1465 |
| 40 | 1510 |
| 41 | 1639 |
| 42 | 1668 |
| 43 | 1805 |
| 44 | 1852 |
| 45 | 1947 |
| 46 | 2044 |
| 47 | 2161 |
| 48 | 2180 |
| 49 | 2344 |
| 50 | 2407 |