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 | 1 |
| 4 | 4 |
| 5 | 11 |
| 6 | 25 |
| 7 | 50 |
| 8 | 91 |
| 9 | 153 |
| 10 | 241 |
| 11 | 360 |
| 12 | 525 |
| 13 | 736 |
| 14 | 1014 |
| 15 | 1365 |
| 16 | 1792 |
| 17 | 2304 |
| 18 | 2937 |
| 19 | 3684 |
| 20 | 4585 |
| 21 | 5632 |
| 22 | 6831 |
| 23 | 8217 |
| 24 | 9835 |
| 25 | 11659 |
| 26 | 13723 |
| 27 | 16060 |
| 28 | 18673 |
| 29 | 21576 |
| 30 | 24858 |
| 31 | 28441 |
| 32 | 32460 |
| 33 | 36875 |
| 34 | 41718 |
| 35 | 47046 |
| 36 | 52841 |
| 37 | 59069 |
| 38 | 65928 |
| 39 | 73402 |
| 40 | 81482 |
| 41 | 90136 |