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 | 64 |
| 2 | 245 |
| 3 | 1372 |
| 4 | 5893 |
| 5 | 19771 |
| 6 | 54993 |
| 7 | 132811 |
| 8 | 287701 |
| 9 | 572043 |
| 10 | 1061521 |
| 11 | 1861243 |
| 12 | 3112581 |
| 13 | 5000731 |
| 14 | 7762993 |
| 15 | 11697771 |
| 16 | 17174293 |
| 17 | 24643051 |
| 18 | 34646961 |
| 19 | 47833243 |
| 20 | 64966021 |
| 21 | 86939643 |
| 22 | 114792721 |
| 23 | 149722891 |
| 24 | 193102293 |
| 25 | 246493771 |
| 26 | 311667793 |
| 27 | 390620091 |
| 28 | 485590021 |