n | a(n) |
---|---|
0 | 1 |
1 | 11 |
2 | 72 |
3 | 364 |
4 | 1568 |
5 | 6048 |
6 | 21504 |
7 | 71808 |
8 | 228096 |
9 | 695552 |
10 | 2050048 |
11 | 5870592 |
12 | 16400384 |
13 | 44843008 |
14 | 120324096 |
15 | 317521920 |
16 | 825556992 |
17 | 2118057984 |
18 | 5369233408 |
19 | 13463453696 |
20 | 33426505728 |
21 | 82239815680 |
22 | 200655503360 |
23 | 485826232320 |
[1,11,72,364,1568,6048,21504,71808,228096,695552, 2050048,5870592,16400384,44843008,120324096, 317521920,825556992,2118057984,5369233408, 13463453696,33426505728,82239815680,200655503360, 485826232320] |