n | a(n) |
---|---|
1 | 4 |
2 | 16 |
3 | 79 |
4 | 336 |
5 | 1144 |
6 | 4351 |
7 | 17224 |
8 | 67936 |
9 | 267919 |
10 | 1063216 |
11 | 4233904 |
12 | 16882191 |
13 | 67380304 |
14 | 269142736 |
15 | 1075602319 |
16 | 4299846976 |
17 | 17192621224 |
18 | 68752838911 |
19 | 274965310744 |
20 | 1099740514416 |
21 | 4398645585679 |
22 | 17593754283616 |
23 | 70372850295904 |
24 | 281485727082511 |
25 | 1125928050595744 |
[4,16,79,336,1144,4351,17224,67936,267919,1063216, 4233904,16882191,67380304,269142736,1075602319, 4299846976,17192621224,68752838911,274965310744, 1099740514416,4398645585679,17593754283616, 70372850295904,281485727082511,1125928050595744] |