n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 12 |
4 | 36 |
5 | 100 |
6 | 340 |
7 | 1154 |
8 | 3650 |
9 | 13244 |
10 | 47744 |
11 | 161458 |
12 | 608218 |
13 | 2273268 |
14 | 8015248 |
15 | 30948100 |
16 | 118491620 |
17 | 429836776 |
18 | 1688856912 |
19 | 6578861670 |
20 | 24365169758 |
21 | 96986976404 |
22 | 382761606472 |
23 | 1440159264108 |
24 | 5790859055340 |
25 | 23087851622216 |
26 | 87959372528576 |
27 | 356553406654718 |
28 | 1433265655786694 |
29 | 5515870506340284 |
[1,2,4,12,36,100,340,1154,3650,13244,47744,161458, 608218,2273268,8015248,30948100,118491620, 429836776,1688856912,6578861670,24365169758, 96986976404,382761606472,1440159264108, 5790859055340,23087851622216,87959372528576, 356553406654718,1433265655786694,5515870506340284] |