n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 1 |
5 | 2 |
6 | 5 |
7 | 8 |
8 | 14 |
9 | 20 |
10 | 30 |
11 | 40 |
12 | 55 |
13 | 70 |
14 | 91 |
15 | 112 |
16 | 141 |
17 | 170 |
18 | 209 |
19 | 250 |
20 | 305 |
21 | 364 |
22 | 444 |
23 | 534 |
24 | 655 |
25 | 796 |
26 | 984 |
27 | 1208 |
28 | 1504 |
29 | 1860 |
30 | 2322 |
31 | 2882 |
32 | 3597 |
33 | 4460 |
34 | 5546 |
35 | 6852 |
36 | 8471 |
37 | 10406 |
38 | 12773 |
39 | 15584 |
40 | 18984 |
41 | 22994 |
42 | 27794 |
43 | 33422 |
44 | 40099 |
45 | 47882 |
46 | 57046 |
47 | 67676 |
48 | 80111 |
[1,0,0,0,1,2,5,8,14,20,30,40,55,70,91,112,141,170, 209,250,305,364,444,534,655,796,984,1208,1504, 1860,2322,2882,3597,4460,5546,6852,8471,10406, 12773,15584,18984,22994,27794,33422,40099,47882, 57046,67676,80111] |