n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 0 |
4 | 0 |
5 | 0 |
6 | 0 |
7 | 0 |
8 | 0 |
9 | 0 |
10 | 0 |
11 | 0 |
12 | 0 |
13 | 0 |
14 | 0 |
15 | 0 |
16 | 0 |
17 | 0 |
18 | 0 |
19 | 0 |
20 | 0 |
21 | 0 |
22 | 0 |
23 | 0 |
24 | 0 |
25 | 0 |
26 | 1 |
27 | 3 |
28 | 7 |
29 | 17 |
30 | 35 |
31 | 70 |
32 | 140 |
33 | 264 |
34 | 486 |
35 | 887 |
36 | 1583 |
37 | 2794 |
38 | 4880 |
39 | 8447 |
40 | 14494 |
41 | 24777 |
42 | 42098 |
43 | 71381 |
44 | 120793 |
45 | 204521 |
46 | 346712 |
47 | 590446 |
48 | 1011336 |
49 | 1748606 |
50 | 3059265 |
51 | 5435769 |
52 | 9835083 |
[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,1,3,7,17,35,70,140,264,486,887,1583,2794,4880, 8447,14494,24777,42098,71381,120793,204521,346712, 590446,1011336,1748606,3059265,5435769,9835083] |