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 | 0 |
| 2 | 8 |
| 3 | 248 |
| 4 | 2088 |
| 5 | 9940 |
| 6 | 33860 |
| 7 | 92934 |
| 8 | 219352 |
| 9 | 463208 |
| 10 | 898020 |
| 11 | 1626970 |
| 12 | 2789864 |
| 13 | 4570812 |
| 14 | 7206628 |
| 15 | 10995950 |
| 16 | 16309080 |
| 17 | 23598544 |
| 18 | 33410372 |
| 19 | 46396098 |
| 20 | 63325480 |
| 21 | 85099940 |
| 22 | 112766724 |
| 23 | 147533782 |
| 24 | 190785368 |
| 25 | 244098360 |
| 26 | 309259300 |
| 27 | 388282154 |