n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 1 |
7 | 2 |
8 | 7 |
9 | 14 |
10 | 32 |
11 | 58 |
12 | 110 |
13 | 187 |
14 | 322 |
15 | 519 |
16 | 839 |
17 | 1302 |
18 | 2015 |
19 | 3032 |
20 | 4542 |
21 | 6668 |
22 | 9738 |
23 | 14006 |
24 | 20036 |
25 | 28324 |
26 | 39830 |
27 | 55473 |
28 | 76875 |
29 | 105692 |
30 | 144629 |
31 | 196585 |
32 | 266038 |
33 | 357952 |
34 | 479664 |
35 | 639519 |
36 | 849425 |
37 | 1123191 |
38 | 1479972 |
39 | 1942284 |
40 | 2540674 |
41 | 3311415 |
[0,0,0,0,0,1,2,7,14,32,58,110,187,322,519,839, 1302,2015,3032,4542,6668,9738,14006,20036,28324, 39830,55473,76875,105692,144629,196585,266038, 357952,479664,639519,849425,1123191,1479972, 1942284,2540674,3311415] |