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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 5 |
| 5 | 7 |
| 6 | 11 |
| 7 | 15 |
| 8 | 22 |
| 9 | 30 |
| 10 | 42 |
| 11 | 45 |
| 12 | 66 |
| 13 | 79 |
| 14 | 102 |
| 15 | 121 |
| 16 | 154 |
| 17 | 176 |
| 18 | 220 |
| 19 | 248 |
| 20 | 297 |
| 21 | 330 |
| 22 | 430 |
| 23 | 452 |
| 24 | 552 |
| 25 | 605 |
| 26 | 720 |
| 27 | 777 |
| 28 | 935 |
| 29 | 990 |
| 30 | 1182 |
| 31 | 1265 |
| 32 | 1485 |
| 33 | 1530 |
| 34 | 1838 |
| 35 | 1892 |
| 36 | 2214 |
| 37 | 2310 |
| 38 | 2684 |
| 39 | 2750 |
| 40 | 3238 |
| 41 | 3289 |
| 42 | 3850 |
| 43 | 3960 |
| 44 | 4500 |
| 45 | 4599 |
| 46 | 5370 |
| 47 | 5404 |
| 48 | 6220 |
| 49 | 6325 |
| 50 | 7238 |