I think problem  solution in DP .But i cant figure out the recurrence 
relation.
Problem link 
http://ace.delos.com/usacoprob2?a=ZyeJcEHiJ8l&S=nocows

statement:-

Farmer John is considering purchasing a new herd of cows. In this new herd, 
each mother cow gives birth to two children. The relationships among the 
cows can easily be represented by one or more binary trees with a total of 
N (3 <= N < 200) nodes. The trees have these properties: 

   - The degree of each node is 0 or 2. The degree is the count of the 
   node's immediate children.
   - The height of the tree is equal to K (1 < K <100). The height is the 
   number of nodes on the longest path from the root to any leaf; a leaf is a 
   node with no children.

How many different possible pedigree structures are there? A pedigree is 
different if its tree structure differs from that of another pedigree. 
Output the remainder when the total number of different possible pedigrees 
is divided by 9901

INPUT FORMAT ::- Two space-separated integers, N and K. 

OUTPUT FORMAT
One single integer number representing the number of possible pedigrees 
MODULO 9901. 

SAMPLE INPUT  :: 5 3

SAMPLE OUTPUT :: 2

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