n | a(n) |
---|---|
1 | 4 |
2 | 11 |
3 | 35 |
4 | 96 |
5 | 281 |
6 | 829 |
7 | 2428 |
8 | 7059 |
9 | 20611 |
10 | 60296 |
11 | 176129 |
12 | 514221 |
13 | 1501988 |
14 | 4388011 |
15 | 12817075 |
16 | 37436160 |
17 | 109349737 |
18 | 319411997 |
19 | 932986892 |
20 | 2725199619 |
21 | 7960200227 |
22 | 23251456696 |
23 | 67916501713 |
24 | 198381124173 |
25 | 579463016116 |
26 | 1692587480411 |
[4,11,35,96,281,829,2428,7059,20611,60296,176129, 514221,1501988,4388011,12817075,37436160, 109349737,319411997,932986892,2725199619, 7960200227,23251456696,67916501713,198381124173, 579463016116,1692587480411] |