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 | 12 |
| 3 | 56 |
| 4 | 152 |
| 5 | 320 |
| 6 | 580 |
| 7 | 952 |
| 8 | 1456 |
| 9 | 2112 |
| 10 | 2940 |
| 11 | 3960 |
| 12 | 5192 |
| 13 | 6656 |
| 14 | 8372 |
| 15 | 10360 |
| 16 | 12640 |
| 17 | 15232 |
| 18 | 18156 |
| 19 | 21432 |
| 20 | 25080 |
| 21 | 29120 |
| 22 | 33572 |
| 23 | 38456 |
| 24 | 43792 |
| 25 | 49600 |
| 26 | 55900 |
| 27 | 62712 |
| 28 | 70056 |
| 29 | 77952 |
| 30 | 86420 |
| 31 | 95480 |
| 32 | 105152 |
| 33 | 115456 |
| 34 | 126412 |
| 35 | 138040 |
| 36 | 150360 |