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) |
|---|---|
| 2 | 4 |
| 3 | 26 |
| 4 | 96 |
| 5 | 216 |
| 6 | 480 |
| 7 | 882 |
| 8 | 1564 |
| 9 | 2464 |
| 10 | 3804 |
| 11 | 5502 |
| 12 | 7912 |
| 13 | 10864 |
| 14 | 14816 |
| 15 | 19526 |
| 16 | 25508 |
| 17 | 32392 |
| 18 | 40992 |
| 19 | 50818 |
| 20 | 62852 |
| 21 | 76432 |
| 22 | 92460 |
| 23 | 110590 |
| 24 | 131904 |
| 25 | 155306 |
| 26 | 182316 |
| 27 | 212188 |
| 28 | 246316 |
| 29 | 283586 |
| 30 | 326100 |