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 | 3 |
| 4 | 13 |
| 5 | 11 |
| 6 | 49 |
| 7 | 27 |
| 8 | 141 |
| 9 | 523 |
| 10 | 3081 |
| 11 | 923 |
| 12 | 5509 |
| 13 | 1371 |
| 14 | 7617 |
| 15 | 24391 |
| 16 | 84933 |
| 17 | 14795 |
| 18 | 110329 |
| 19 | 20859 |
| 20 | 142101 |
| 21 | 499843 |
| 22 | 1858209 |
| 23 | 241211 |
| 24 | 2312077 |
| 25 | 8417451 |
| 26 | 70482153 |
| 27 | 251680159 |
| 28 | 935093181 |
| 29 | 95916299 |
| 30 | 1102272481 |
| 31 | 131510523 |
| 32 | 1270525629 |
| 33 | 4572551611 |
| 34 | 17189356473 |