What is x in the sequence given below: 287, 167, 119, 47, 23, 7, x ?

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47, 119, 167, ?, 359 , 527

asked Tue Mar 03 18:54:59 IST 2020 by P R PARIHAR HABUR JAISALMER

7^2-2=47 11^2-2=119 13^2-2=167 17^2-2=287 19^2-2=359 23^2-2=527

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answered Tue Mar 03 20:31:47 IST 2020 by subhash

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