n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 16 |
4 | 92 |
5 | 432 |
6 | 1884 |
7 | 8582 |
8 | 39736 |
9 | 181936 |
10 | 829672 |
11 | 3793850 |
12 | 17366388 |
13 | 79441576 |
14 | 363298928 |
15 | 1661695126 |
16 | 7601017276 |
17 | 34767611570 |
18 | 159026305464 |
19 | 727389859704 |
20 | 3327116203688 |
21 | 15218354613018 |
22 | 69609219627912 |
[1,4,16,92,432,1884,8582,39736,181936,829672, 3793850,17366388,79441576,363298928,1661695126, 7601017276,34767611570,159026305464,727389859704, 3327116203688,15218354613018,69609219627912] |