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) |
|---|---|
| 0 | 0 |
| 1 | 7 |
| 2 | 56 |
| 3 | 147 |
| 4 | 280 |
| 5 | 455 |
| 6 | 672 |
| 7 | 931 |
| 8 | 1232 |
| 9 | 1575 |
| 10 | 1960 |
| 11 | 2387 |
| 12 | 2856 |
| 13 | 3367 |
| 14 | 3920 |
| 15 | 4515 |
| 16 | 5152 |
| 17 | 5831 |
| 18 | 6552 |
| 19 | 7315 |
| 20 | 8120 |
| 21 | 8967 |
| 22 | 9856 |
| 23 | 10787 |
| 24 | 11760 |
| 25 | 12775 |
| 26 | 13832 |
| 27 | 14931 |
| 28 | 16072 |
| 29 | 17255 |
| 30 | 18480 |
| 31 | 19747 |
| 32 | 21056 |
| 33 | 22407 |
| 34 | 23800 |
| 35 | 25235 |
| 36 | 26712 |
| 37 | 28231 |