One possible answer is:
Un = (-3n5 + 38n4 - 159n3 + 250n2 - 90n - 30)/6
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area pattern is that means the pattern on of body part
A single number, such as 24102882, does not establish a pattern!
once the number,shape ect. is made the pattern has to be followed or it is not a pattern
A behavioural pattern is a design pattern which specifies how the entities of a software communicate with each other.
you only need a pattern