Directions:In each of the following questions, find the missing number /letters/figure from the given responses:
0, 4, 18, 48, ?, 180
0 + 4 = 4
4 + (4+10) =18
18 + (4+10+16) = 48
48 + (4+10+16+22) = 100
100 + (4+10+16+22+28) = 180
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