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) |
|---|---|
| 7 | 1 |
| 8 | 0 |
| 9 | 8 |
| 10 | 8 |
| 11 | 44 |
| 12 | 80 |
| 13 | 236 |
| 14 | 513 |
| 15 | 1238 |
| 16 | 2744 |
| 17 | 6160 |
| 18 | 13384 |
| 19 | 28846 |
| 20 | 61228 |
| 21 | 128513 |
| 22 | 266668 |
| 23 | 548185 |
| 24 | 1116580 |
| 25 | 2255452 |
| 26 | 4521198 |
| 27 | 8998844 |
| 28 | 17792361 |
| 29 | 34962224 |
| 30 | 68305274 |
| 31 | 132724871 |
| 32 | 256587512 |
| 33 | 493665604 |
| 34 | 945497642 |
| 35 | 1803122075 |
| 36 | 3424720416 |
| 37 | 6479635254 |
| 38 | 12214748337 |