n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 4 |
4 | 11 |
5 | 24 |
6 | 52 |
7 | 110 |
8 | 228 |
9 | 467 |
10 | 949 |
11 | 1916 |
12 | 3848 |
13 | 7696 |
14 | 15342 |
15 | 30505 |
16 | 60527 |
17 | 119892 |
18 | 237156 |
19 | 468590 |
20 | 925032 |
21 | 1824727 |
22 | 3597289 |
23 | 7088216 |
24 | 13961168 |
25 | 27489168 |
26 | 54110618 |
27 | 106489245 |
28 | 209531251 |
29 | 412217072 |
30 | 810865812 |
31 | 1594878078 |
32 | 3136673996 |
33 | 6168522827 |
34 | 12130206941 |
[0,0,4,11,24,52,110,228,467,949,1916,3848,7696, 15342,30505,60527,119892,237156,468590,925032, 1824727,3597289,7088216,13961168,27489168, 54110618,106489245,209531251,412217072,810865812, 1594878078,3136673996,6168522827,12130206941] |