Positive deficient square pentagonal numbers

Reference no: EM13131315

The m-th number is the number Pm = 1/2 m (3m - 1 ).

A pentagonal number is a deficient square if Pm = n^2 - 1 for some integer n.

Find the first five positive deficient square pentagonal numbers.

The answer should demonstrate in a table with 3 columns how to get the corresponding m, n and Pm for each of the 5 numbers.

Reference no: EM13131315

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