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Question 958279: what is the nth term of the sequence 7,5,2,1
Answer by Edwin McCravy(20056)   (Show Source):
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7 is the greatest divisor of 14 which is less than 14 and not a power other than the first power of any root of 14.
5 is the greatest divisor of 15 which is less than 15 and not a power other than the first power of any root of 15.
2 is the greatest divisor of 16 which is less than 16 and not a power other than the first power of any root of 16.
1 is the greatest divisor of 17 which is less than 17 and not a power other than the first power of any root of 17.
9 is the greatest divisor of 18 which is less than 18 and not a power other than the first power of any root of 18.
1 is the greatest divisor of 19 which is less than 19 and not a power other than the first power of any root of 19.
10 is the greatest divisor of 20 which is less than 20 and not a power other than the first power of any root of 20.
7 is the greatest divisor of 21 which is less than 21 and not a power other than the first power of any root of 21.
11 is the greatest divisor of 22 which is less than 22 and not a power other than the first power of any root of 22.
1 is the greatest divisor of 23 which is less than 23 and not a power other than the first power of any root of 23.
12 is the greatest divisor of 24 which is less than 24 and not a power other than the first power of any root of 24.
5 is the greatest divisor of 25 which is less than 25 and not a power other than the first power of any root of 25.
13 is the greatest divisor of 26 which is less than 26 and not a power other than the first power of any root of 26.
3 is the greatest divisor of 27 which is less than 27 and not a power other than the first power of any root of 27.
etc.
Edwin
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