n | a(n) |
---|---|
0 | 1 |
1 | 28 |
2 | 516 |
3 | 7952 |
4 | 111440 |
5 | 1477056 |
6 | 18912832 |
7 | 236879104 |
8 | 2924469504 |
9 | 35764112384 |
10 | 434623874048 |
11 | 5259666886656 |
12 | 63472710995968 |
13 | 764545789837312 |
14 | 9197653087371264 |
15 | 110557371200503808 |
16 | 1328176959287263232 |
17 | 15950056940486000640 |
18 | 191496303058077614080 |
[1,28,516,7952,111440,1477056,18912832,236879104, 2924469504,35764112384,434623874048,5259666886656, 63472710995968,764545789837312,9197653087371264, 110557371200503808,1328176959287263232, 15950056940486000640,191496303058077614080] |