n | a(n) |
---|---|
2 | 0 |
3 | 6 |
4 | 40 |
5 | 210 |
6 | 681 |
7 | 1919 |
8 | 4443 |
9 | 9481 |
10 | 18206 |
11 | 33164 |
12 | 56570 |
13 | 92996 |
14 | 146175 |
15 | 223565 |
16 | 330981 |
17 | 479779 |
18 | 678508 |
19 | 943586 |
20 | 1287036 |
21 | 1731654 |
22 | 2293765 |
23 | 3004011 |
24 | 3883935 |
25 | 4973645 |
26 | 6300906 |
27 | 7917064 |
28 | 9857198 |
29 | 12185816 |
30 | 14946491 |
31 | 18218969 |
32 | 22056585 |
33 | 26556551 |
34 | 31783320 |
[0,6,40,210,681,1919,4443,9481,18206,33164,56570, 92996,146175,223565,330981,479779,678508,943586, 1287036,1731654,2293765,3004011,3883935,4973645, 6300906,7917064,9857198,12185816,14946491, 18218969,22056585,26556551,31783320] |