n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 1 |
3 | 0 |
4 | 3 |
5 | 3 |
6 | 8 |
7 | 7 |
8 | 16 |
9 | 23 |
10 | 48 |
11 | 70 |
12 | 125 |
13 | 192 |
14 | 345 |
15 | 561 |
16 | 972 |
17 | 1578 |
18 | 2683 |
19 | 4436 |
20 | 7537 |
21 | 12536 |
22 | 21114 |
23 | 35163 |
24 | 59123 |
25 | 98837 |
26 | 166006 |
27 | 277650 |
28 | 465619 |
29 | 779296 |
30 | 1306674 |
31 | 2188248 |
32 | 3667717 |
33 | 6142653 |
34 | 10293460 |
35 | 17242678 |
36 | 28892956 |
37 | 48402553 |
38 | 81099234 |
39 | 135863965 |
40 | 227636213 |
[0,0,1,0,3,3,8,7,16,23,48,70,125,192,345,561,972, 1578,2683,4436,7537,12536,21114,35163,59123,98837, 166006,277650,465619,779296,1306674,2188248, 3667717,6142653,10293460,17242678,28892956, 48402553,81099234,135863965,227636213] |