n | a(n) |
---|---|
1 | 2 |
2 | 0 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 2 |
8 | 2 |
9 | 4 |
10 | 4 |
11 | 6 |
12 | 8 |
13 | 11 |
14 | 14 |
15 | 18 |
16 | 25 |
17 | 34 |
18 | 44 |
19 | 60 |
20 | 79 |
21 | 105 |
22 | 141 |
23 | 187 |
24 | 250 |
25 | 334 |
26 | 445 |
27 | 593 |
28 | 791 |
29 | 1054 |
30 | 1407 |
31 | 1875 |
32 | 2501 |
33 | 3336 |
34 | 4447 |
35 | 5931 |
36 | 7909 |
37 | 10547 |
38 | 14065 |
39 | 18755 |
40 | 25010 |
41 | 33353 |
42 | 44475 |
43 | 59310 |
44 | 79090 |
45 | 105469 |
46 | 140645 |
47 | 187553 |
48 | 250105 |
49 | 333522 |
50 | 444758 |
[2,0,1,1,1,1,2,2,4,4,6,8,11,14,18,25,34,44,60,79, 105,141,187,250,334,445,593,791,1054,1407,1875, 2501,3336,4447,5931,7909,10547,14065,18755,25010, 33353,44475,59310,79090,105469,140645,187553, 250105,333522,444758] |