n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 1 |
4 | 0 |
5 | 3 |
6 | 1 |
7 | 6 |
8 | 4 |
9 | 11 |
10 | 10 |
11 | 20 |
12 | 21 |
13 | 36 |
14 | 41 |
15 | 64 |
16 | 77 |
17 | 113 |
18 | 141 |
19 | 199 |
20 | 254 |
21 | 350 |
22 | 453 |
23 | 615 |
24 | 803 |
25 | 1080 |
26 | 1418 |
27 | 1896 |
28 | 2498 |
29 | 3328 |
30 | 4394 |
31 | 5841 |
32 | 7722 |
33 | 10251 |
34 | 13563 |
35 | 17990 |
36 | 23814 |
37 | 31571 |
38 | 41804 |
39 | 55404 |
40 | 73375 |
41 | 97228 |
42 | 128779 |
43 | 170624 |
44 | 226007 |
45 | 299425 |
[0,0,1,0,3,1,6,4,11,10,20,21,36,41,64,77,113,141, 199,254,350,453,615,803,1080,1418,1896,2498,3328, 4394,5841,7722,10251,13563,17990,23814,31571, 41804,55404,73375,97228,128779,170624,226007, 299425] |