SP10515 KOPC12B - K12-Combinations
Description
Given n find the value of ((nC $ _{1} $ ) $ ^{2} $ +2\*(nC $ _{2} $ ) $ ^{2} $ +3\*(nC $ _{3} $ ) $ ^{2} $ +4\*(nC $ _{4} $ ) $ ^{2} $ +............+n\*(nC $ _{n} $ ) $ ^{2} $ )% MOD, where MOD=10^9+7.
**Note:** nCr is the number of ways of choosing r items from n items.
Input Format
The first line of input file contains T which denotes number of testcases.Each of the following line contains an integer n. T
Output Format
The output must contain T lines each line corresponding to a testcase.