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Let X = (10C1)^2 + 2(10C2)^2 + 3(10C3)^2 + …. + 10(10C10)^2 ,

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Let
X = (10C1)2 + 2(10C2)2 + 3(10C3)2 + …. + 10(10C10)2 ,
where 10Cr , r ∈ {1, 2, ….. , 10} denote binomial coefficients. Then the value of 1/1430 X is ____ .

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