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 | 0 |
| 3 | 128 |
| 4 | 800 |
| 5 | 2112 |
| 6 | 4008 |
| 7 | 6472 |
| 8 | 9504 |
| 9 | 13104 |
| 10 | 17272 |
| 11 | 22008 |
| 12 | 27312 |
| 13 | 33184 |
| 14 | 39624 |
| 15 | 46632 |
| 16 | 54208 |
| 17 | 62352 |
| 18 | 71064 |
| 19 | 80344 |
| 20 | 90192 |
| 21 | 100608 |
| 22 | 111592 |
| 23 | 123144 |
| 24 | 135264 |
| 25 | 147952 |
| 26 | 161208 |
| 27 | 175032 |
| 28 | 189424 |
| 29 | 204384 |
| 30 | 219912 |
| 31 | 236008 |
| 32 | 252672 |
| 33 | 269904 |
| 34 | 287704 |
| 35 | 306072 |