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 | 6 |
| 2 | 36 |
| 3 | 102 |
| 4 | 270 |
| 5 | 546 |
| 6 | 1080 |
| 7 | 1866 |
| 8 | 3186 |
| 9 | 5010 |
| 10 | 7830 |
| 11 | 11550 |
| 12 | 17004 |
| 13 | 23934 |
| 14 | 33726 |
| 15 | 45786 |
| 16 | 62364 |
| 17 | 82254 |
| 18 | 109008 |
| 19 | 140406 |
| 20 | 181890 |
| 21 | 229674 |
| 22 | 291852 |
| 23 | 362346 |
| 24 | 452862 |
| 25 | 554106 |
| 26 | 682578 |
| 27 | 824622 |
| 28 | 1002960 |
| 29 | 1198182 |
| 30 | 1440930 |
| 31 | 1704378 |
| 32 | 2029080 |
| 33 | 2378838 |
| 34 | 2806428 |