n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 2 |
7 | 2 |
8 | 3 |
9 | 4 |
10 | 6 |
11 | 8 |
12 | 10 |
13 | 14 |
14 | 20 |
15 | 26 |
16 | 36 |
17 | 49 |
18 | 66 |
19 | 90 |
20 | 123 |
21 | 167 |
22 | 227 |
23 | 308 |
24 | 420 |
25 | 571 |
26 | 776 |
27 | 1056 |
28 | 1436 |
29 | 1952 |
30 | 2656 |
31 | 3612 |
32 | 4912 |
33 | 6680 |
34 | 9085 |
35 | 12356 |
36 | 16804 |
37 | 22853 |
38 | 31081 |
39 | 42269 |
40 | 57486 |
41 | 78182 |
42 | 106327 |
43 | 144604 |
[1,0,0,1,1,1,2,2,3,4,6,8,10,14,20,26,36,49,66,90, 123,167,227,308,420,571,776,1056,1436,1952,2656, 3612,4912,6680,9085,12356,16804,22853,31081,42269, 57486,78182,106327,144604] |