SOLUTION: Sequencing integers: 4,16,37,58,89,145,42,20,4,16 How is each term obtained from the term before it?

SOLUTION: Sequencing integers: 4,16,37,58,89,145,42,20,4,16 How is each term obtained from the term before it?

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Question 814195: Sequencing integers: 4,16,37,58,89,145,42,20,4,16
How is each term obtained from the term before it?

Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
Take sum of squares of digits of previous term.
1 6 then 37
1 +36=37
3 7
9+49=58

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