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 | 0 |
| 4 | 4 |
| 5 | 10 |
| 6 | 18 |
| 7 | 35 |
| 8 | 56 |
| 9 | 81 |
| 10 | 120 |
| 11 | 165 |
| 12 | 216 |
| 13 | 286 |
| 14 | 364 |
| 15 | 450 |
| 16 | 560 |
| 17 | 680 |
| 18 | 810 |
| 19 | 969 |
| 20 | 1140 |
| 21 | 1323 |
| 22 | 1540 |
| 23 | 1771 |
| 24 | 2016 |
| 25 | 2300 |
| 26 | 2600 |
| 27 | 2916 |
| 28 | 3276 |
| 29 | 3654 |
| 30 | 4050 |
| 31 | 4495 |
| 32 | 4960 |
| 33 | 5445 |
| 34 | 5984 |
| 35 | 6545 |
| 36 | 7128 |
| 37 | 7770 |
| 38 | 8436 |
| 39 | 9126 |
| 40 | 9880 |
| 41 | 10660 |
| 42 | 11466 |
| 43 | 12341 |
| 44 | 13244 |
| 45 | 14175 |