The differences between the values are 2, 4, 6, 8
The differences between these differences are 2, 2, 2
Thus the pattern's equation starts n2
The pattern minus n2 is 1, 0, -1, -2, -3
The difference between these values is -1
Thus the equation continues n2-n+2
This equation gives us 2, 4, 8, 14, 22, 32, 44, 58, 74...
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