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 | 104 |
| 4 | 432 |
| 5 | 972 |
| 6 | 1712 |
| 7 | 2652 |
| 8 | 3792 |
| 9 | 5132 |
| 10 | 6672 |
| 11 | 8412 |
| 12 | 10352 |
| 13 | 12492 |
| 14 | 14832 |
| 15 | 17372 |
| 16 | 20112 |
| 17 | 23052 |
| 18 | 26192 |
| 19 | 29532 |
| 20 | 33072 |
| 21 | 36812 |
| 22 | 40752 |
| 23 | 44892 |
| 24 | 49232 |
| 25 | 53772 |
| 26 | 58512 |
| 27 | 63452 |
| 28 | 68592 |
| 29 | 73932 |
| 30 | 79472 |
| 31 | 85212 |
| 32 | 91152 |
| 33 | 97292 |
| 34 | 103632 |
| 35 | 110172 |
| 36 | 116912 |
| 37 | 123852 |
| 38 | 130992 |