n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 2 |
5 | 6 |
6 | 16 |
7 | 40 |
8 | 94 |
9 | 214 |
10 | 476 |
11 | 1040 |
12 | 2242 |
13 | 4782 |
14 | 10112 |
15 | 21232 |
16 | 44318 |
17 | 92046 |
18 | 190364 |
19 | 392264 |
20 | 805746 |
21 | 1650518 |
22 | 3372816 |
23 | 6877656 |
24 | 13998142 |
25 | 28442918 |
26 | 57707324 |
27 | 116925600 |
28 | 236630274 |
29 | 478372062 |
30 | 966145664 |
31 | 1949583456 |
32 | 3930972094 |
33 | 7920443038 |
34 | 15948482236 |
[0,0,0,0,2,6,16,40,94,214,476,1040,2242,4782, 10112,21232,44318,92046,190364,392264,805746, 1650518,3372816,6877656,13998142,28442918, 57707324,116925600,236630274,478372062,966145664, 1949583456,3930972094,7920443038,15948482236] |