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) |
|---|---|
| 3 | 4 |
| 4 | 25 |
| 5 | 90 |
| 6 | 245 |
| 7 | 560 |
| 8 | 1134 |
| 9 | 2100 |
| 10 | 3630 |
| 11 | 5940 |
| 12 | 9295 |
| 13 | 14014 |
| 14 | 20475 |
| 15 | 29120 |
| 16 | 40460 |
| 17 | 55080 |
| 18 | 73644 |
| 19 | 96900 |
| 20 | 125685 |
| 21 | 160930 |
| 22 | 203665 |
| 23 | 255024 |
| 24 | 316250 |
| 25 | 388700 |
| 26 | 473850 |
| 27 | 573300 |
| 28 | 688779 |
| 29 | 822150 |
| 30 | 975415 |
| 31 | 1150720 |
| 32 | 1350360 |
| 33 | 1576784 |
| 34 | 1832600 |
| 35 | 2120580 |
| 36 | 2443665 |
| 37 | 2804970 |
| 38 | 3207789 |