n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 1 |
6 | 4 |
7 | 3 |
8 | 8 |
9 | 8 |
10 | 18 |
11 | 21 |
12 | 48 |
13 | 63 |
14 | 133 |
15 | 205 |
16 | 412 |
17 | 685 |
18 | 1354 |
19 | 2385 |
20 | 4644 |
21 | 8496 |
22 | 16431 |
23 | 30735 |
24 | 59344 |
25 | 112531 |
26 | 217246 |
27 | 415628 |
28 | 803210 |
29 | 1545463 |
30 | 2991192 |
31 | 5778267 |
32 | 11201884 |
33 | 21702708 |
34 | 42141576 |
35 | 81830748 |
36 | 159140896 |
37 | 309590883 |
38 | 602938099 |
39 | 1174779397 |
40 | 2290920128 |
[0,1,1,2,1,4,3,8,8,18,21,48,63,133,205,412,685, 1354,2385,4644,8496,16431,30735,59344,112531, 217246,415628,803210,1545463,2991192,5778267, 11201884,21702708,42141576,81830748,159140896, 309590883,602938099,1174779397,2290920128] |