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Successes And Challenges Of Core Shell Lead Halide Perovskite Nanocrystals Acs Energy Letters I want to build a for loop that iterates through two variables at the same timen is an array and j goes from 0 to 16 var n = 1,2,3,5,7,8,9,11,12,13,14,16,17,18,2 squared is 2² = 2 × 2 = 4 3 squared is 3² = 3 × 3 = 9 4 squared is 4² = 4 × 4 = 16 5 squared is 5² = 5 × 5 = 25 6 squared is 6² = 6 × 6 = 36 7 squared is 7² = 7 × 7 = 49 8 squared is 8² = 8 × 8 = X/4-9=-13