n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 1 |
8 | 8 |
9 | 36 |
10 | 120 |
11 | 330 |
12 | 792 |
13 | 1716 |
14 | 3432 |
15 | 6436 |
16 | 11456 |
17 | 19584 |
18 | 32640 |
19 | 54264 |
20 | 93024 |
21 | 170544 |
22 | 341088 |
23 | 735472 |
24 | 1653632 |
25 | 3749760 |
26 | 8386560 |
27 | 18289440 |
28 | 38724480 |
29 | 79594560 |
30 | 159189120 |
31 | 311058496 |
32 | 597137408 |
33 | 1133991936 |
34 | 2147450880 |
35 | 4089171840 |
[0,0,0,0,0,0,0,1,8,36,120,330,792,1716,3432,6436, 11456,19584,32640,54264,93024,170544,341088, 735472,1653632,3749760,8386560,18289440,38724480, 79594560,159189120,311058496,597137408,1133991936, 2147450880,4089171840] |