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Its 60

Oh yeah it is 90...forgot 7 and 8 in sequence

How about 90?

90

It goes up in steps of (the previous result minus the one before it) plus 2

OR/

The number plus the square of itself

56+1+6+7+10-8= 72

Read all explanations. I have a genius IQ and I am never wrong. The answer is still 72.
If I am wrong the above claims still stand.

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