n | a(n) |
---|---|
0 | 1 |
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 1 |
6 | 3 |
7 | 6 |
8 | 10 |
9 | 16 |
10 | 26 |
11 | 39 |
12 | 56 |
13 | 79 |
14 | 111 |
15 | 150 |
16 | 200 |
17 | 265 |
18 | 349 |
19 | 453 |
20 | 586 |
21 | 749 |
22 | 957 |
23 | 1209 |
24 | 1522 |
25 | 1903 |
26 | 2379 |
27 | 2950 |
28 | 3654 |
29 | 4500 |
30 | 5534 |
31 | 6771 |
32 | 8271 |
33 | 10063 |
34 | 12228 |
35 | 14799 |
36 | 17884 |
37 | 21543 |
38 | 25919 |
39 | 31087 |
40 | 37233 |
41 | 44477 |
42 | 53063 |
43 | 63149 |
44 | 75059 |
45 | 89014 |
46 | 105436 |
47 | 124631 |
[1,0,0,0,0,1,3,6,10,16,26,39,56,79,111,150,200, 265,349,453,586,749,957,1209,1522,1903,2379,2950, 3654,4500,5534,6771,8271,10063,12228,14799,17884, 21543,25919,31087,37233,44477,53063,63149,75059, 89014,105436,124631] |