n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 8 |
3 | 20 |
4 | 56 |
5 | 152 |
6 | 416 |
7 | 1136 |
8 | 3104 |
9 | 8480 |
10 | 23168 |
11 | 63296 |
12 | 172928 |
13 | 472448 |
14 | 1290752 |
15 | 3526400 |
16 | 9634304 |
17 | 26321408 |
18 | 71911424 |
19 | 196465664 |
20 | 536754176 |
21 | 1466439680 |
22 | 4006387712 |
23 | 10945654784 |
24 | 29904084992 |
25 | 81699479552 |
26 | 223207129088 |
27 | 609813217280 |
28 | 1666040692736 |
29 | 4551707820032 |
[2,2,8,20,56,152,416,1136,3104,8480,23168,63296, 172928,472448,1290752,3526400,9634304,26321408, 71911424,196465664,536754176,1466439680, 4006387712,10945654784,29904084992,81699479552, 223207129088,609813217280,1666040692736, 4551707820032] |