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 | 18 |
| 3 | 76 |
| 4 | 200 |
| 5 | 412 |
| 6 | 738 |
| 7 | 1200 |
| 8 | 1824 |
| 9 | 2632 |
| 10 | 3650 |
| 11 | 4900 |
| 12 | 6408 |
| 13 | 8196 |
| 14 | 10290 |
| 15 | 12712 |
| 16 | 15488 |
| 17 | 18640 |
| 18 | 22194 |
| 19 | 26172 |
| 20 | 30600 |
| 21 | 35500 |
| 22 | 40898 |
| 23 | 46816 |
| 24 | 53280 |
| 25 | 60312 |
| 26 | 67938 |
| 27 | 76180 |
| 28 | 85064 |
| 29 | 94612 |
| 30 | 104850 |
| 31 | 115800 |
| 32 | 127488 |
| 33 | 139936 |
| 34 | 153170 |
| 35 | 167212 |
| 36 | 182088 |
| 37 | 197820 |
| 38 | 214434 |
| 39 | 231952 |
| 40 | 250400 |
| 41 | 269800 |
| 42 | 290178 |
| 43 | 311556 |