n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 3 |
3 | 21 |
4 | 105 |
5 | 465 |
6 | 1953 |
7 | 8001 |
8 | 32385 |
9 | 130305 |
10 | 522753 |
11 | 2094081 |
12 | 8382465 |
13 | 33542145 |
14 | 134193153 |
15 | 536821761 |
16 | 2147385345 |
17 | 8589737985 |
18 | 34359345153 |
19 | 137438167041 |
20 | 549754241025 |
21 | 2199020109825 |
22 | 8796086730753 |
23 | 35184359505921 |
[0,0,3,21,105,465,1953,8001,32385,130305,522753, 2094081,8382465,33542145,134193153,536821761, 2147385345,8589737985,34359345153,137438167041, 549754241025,2199020109825,8796086730753, 35184359505921] |