n | a(n) |
---|---|
1 | 4 |
2 | 16 |
3 | 62 |
4 | 235 |
5 | 888 |
6 | 3349 |
7 | 12620 |
8 | 47545 |
9 | 179104 |
10 | 674666 |
11 | 2541362 |
12 | 9572864 |
13 | 36059224 |
14 | 135828387 |
15 | 511640114 |
16 | 1927252354 |
17 | 7259597884 |
18 | 27345542237 |
19 | 103005522894 |
20 | 388002462425 |
21 | 1461532415920 |
22 | 5505318159061 |
23 | 20737499694808 |
24 | 78114267177504 |
[4,16,62,235,888,3349,12620,47545,179104,674666, 2541362,9572864,36059224,135828387,511640114, 1927252354,7259597884,27345542237,103005522894, 388002462425,1461532415920,5505318159061, 20737499694808,78114267177504] |