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 | 4 |
| 2 | 33 |
| 3 | 144 |
| 4 | 471 |
| 5 | 1237 |
| 6 | 2798 |
| 7 | 5648 |
| 8 | 10483 |
| 9 | 18174 |
| 10 | 29863 |
| 11 | 46918 |
| 12 | 71037 |
| 13 | 104183 |
| 14 | 148732 |
| 15 | 207352 |
| 16 | 283199 |
| 17 | 379766 |
| 18 | 501099 |
| 19 | 651612 |
| 20 | 836369 |
| 21 | 1060813 |
| 22 | 1331122 |
| 23 | 1653894 |
| 24 | 2036531 |
| 25 | 2486878 |
| 26 | 3013693 |
| 27 | 3626176 |
| 28 | 4334533 |
| 29 | 5149447 |
| 30 | 6082684 |
| 31 | 7146500 |
| 32 | 8354355 |