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 | 2 |
| 3 | 4 |
| 4 | 5 |
| 5 | 10 |
| 6 | 15 |
| 7 | 25 |
| 8 | 30 |
| 9 | 52 |
| 10 | 75 |
| 11 | 104 |
| 12 | 203 |
| 13 | 225 |
| 14 | 260 |
| 15 | 406 |
| 16 | 780 |
| 17 | 877 |
| 18 | 1015 |
| 19 | 1754 |
| 20 | 2704 |
| 21 | 3045 |
| 22 | 4140 |
| 23 | 4385 |
| 24 | 8280 |
| 25 | 10556 |
| 26 | 13155 |
| 27 | 20700 |
| 28 | 21147 |
| 29 | 41209 |
| 30 | 42294 |
| 31 | 45604 |
| 32 | 62100 |
| 33 | 105735 |
| 34 | 115975 |
| 35 | 178031 |
| 36 | 215280 |
| 37 | 231950 |
| 38 | 317205 |
| 39 | 579875 |
| 40 | 678570 |
| 41 | 769129 |
| 42 | 840420 |
| 43 | 1099644 |