n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 20 |
6 | 44 |
7 | 92 |
8 | 194 |
9 | 396 |
10 | 820 |
11 | 1684 |
12 | 3432 |
13 | 6972 |
14 | 14144 |
15 | 28636 |
16 | 57890 |
17 | 116828 |
18 | 235500 |
19 | 474304 |
20 | 954444 |
21 | 1919364 |
22 | 3857548 |
23 | 7748888 |
24 | 15558988 |
25 | 31229384 |
26 | 62662088 |
27 | 125696800 |
28 | 252079196 |
29 | 505423476 |
30 | 1013189208 |
31 | 2030729700 |
32 | 4069562810 |
33 | 8154257184 |
34 | 16336840080 |
35 | 32726819744 |
36 | 65553540096 |
[0,0,2,4,10,20,44,92,194,396,820,1684,3432,6972, 14144,28636,57890,116828,235500,474304,954444, 1919364,3857548,7748888,15558988,31229384, 62662088,125696800,252079196,505423476,1013189208, 2030729700,4069562810,8154257184,16336840080, 32726819744,65553540096] |