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A dice is weighted such that the probabi...

A dice is weighted such that the probability of rolling the face numbered n is proportional to `n^(2)` (n = 1, 2, 3, 4, 5, 6). The dice is rolled twice, yielding the number a and b. The probability that `a gt b` is p then the value of `[2//p]` (where [ . ] represents greatest integer function) is _______.

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