ShareMyScreen/ProjectEuler/0029
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How many distinct terms are in the sequence generated by a^b for 2<=a<=100 and 2<=b<=100?
NB.count
NB.│ leave only unique items
NB.│ │ ravel
NB.│ │ │ every combination of exponentiation of itself with self
NB.│ │ │ │ 2 through 100
NB.│ │_ │ │____ │______
# ~. , (^/]) 2x+i.99
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use extended-precision arithmetic in case some
powers are identical to floating-point precision