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 | 1 |
| 2 | 56 |
| 3 | 180 |
| 4 | 836 |
| 5 | 840 |
| 6 | 2400 |
| 7 | 4536 |
| 8 | 10584 |
| 9 | 10920 |
| 10 | 12540 |
| 11 | 17388 |
| 12 | 18720 |
| 13 | 23736 |
| 14 | 24864 |
| 15 | 25500 |
| 16 | 26220 |
| 17 | 23760 |
| 18 | 32376 |
| 19 | 39560 |
| 20 | 45356 |
| 21 | 53960 |
| 22 | 49680 |
| 23 | 77744 |
| 24 | 71208 |
| 25 | 60720 |
| 26 | 87032 |
| 27 | 62640 |
| 28 | 69120 |
| 29 | 63840 |
| 30 | 91776 |
| 31 | 76560 |
| 32 | 97128 |
| 33 | 118712 |
| 34 | 88560 |
| 35 | 83160 |