n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 1 |
4 | 4 |
5 | 6 |
6 | 12 |
7 | 23 |
8 | 42 |
9 | 76 |
10 | 143 |
11 | 262 |
12 | 496 |
13 | 938 |
14 | 1783 |
15 | 3397 |
16 | 6515 |
17 | 12523 |
18 | 24152 |
19 | 46711 |
20 | 90543 |
21 | 175867 |
22 | 342161 |
23 | 666712 |
24 | 1300805 |
25 | 2541033 |
26 | 4969255 |
27 | 9727606 |
28 | 19059560 |
29 | 37374839 |
30 | 73347038 |
31 | 144042897 |
32 | 283064780 |
33 | 556601613 |
34 | 1095087697 |
[0,0,1,1,4,6,12,23,42,76,143,262,496,938,1783, 3397,6515,12523,24152,46711,90543,175867,342161, 666712,1300805,2541033,4969255,9727606,19059560, 37374839,73347038,144042897,283064780,556601613, 1095087697] |