n | a(n) |
---|---|
0 | 1 |
1 | 72 |
2 | 1072 |
3 | 6968 |
4 | 28320 |
5 | 85992 |
6 | 214864 |
7 | 467544 |
8 | 918080 |
9 | 1665672 |
10 | 2838384 |
11 | 4596856 |
12 | 7138016 |
13 | 10698792 |
14 | 15559824 |
15 | 22049176 |
16 | 30546048 |
17 | 41484488 |
18 | 55357104 |
19 | 72718776 |
20 | 94190368 |
21 | 120462440 |
22 | 152298960 |
[1,72,1072,6968,28320,85992,214864,467544,918080, 1665672,2838384,4596856,7138016,10698792,15559824, 22049176,30546048,41484488,55357104,72718776, 94190368,120462440,152298960] |