n | a(n) |
---|---|
1 | 2 |
2 | 6 |
3 | 22 |
4 | 88 |
5 | 372 |
6 | 1628 |
7 | 7312 |
8 | 33466 |
9 | 155446 |
10 | 730534 |
11 | 3466170 |
12 | 16576874 |
13 | 79810756 |
14 | 386458826 |
15 | 1880580352 |
16 | 9190830700 |
17 | 45088727820 |
18 | 221945045488 |
19 | 1095798917674 |
20 | 5424898610958 |
21 | 26922433371778 |
22 | 133906343014110 |
23 | 667370905196930 |
24 | 3332257266746004 |
[2,6,22,88,372,1628,7312,33466,155446,730534, 3466170,16576874,79810756,386458826,1880580352, 9190830700,45088727820,221945045488,1095798917674, 5424898610958,26922433371778,133906343014110, 667370905196930,3332257266746004] |