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A071227
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Number of solutions 1<=x<=n to gcd(A033950(n),x) = tau(A033950(n)).
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0
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1, 1, 1, 2, 1, 2, 2, 2, 4, 6, 4, 2, 4, 6, 10, 4, 12, 6, 8, 10, 16, 18, 12, 4, 22, 16, 20, 18, 28, 4, 30, 6, 22, 8, 36, 40, 42, 28, 8, 30, 46, 8, 10, 52, 42, 36, 16, 20, 12, 58, 8, 60, 40, 12, 42, 66, 12, 46, 70, 72, 20, 16, 100, 78, 52, 16, 82, 12, 18, 58, 88, 8, 60, 96, 20, 66, 100
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OFFSET
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1,4
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LINKS
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PROG
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(PARI) for(n=1, 1000, if(sum(i=1, n, if(gcd(n, i)-numdiv(n), 0, 1))>0, print1(sum(i=1, n, if(gcd(n, i)-numdiv(n), 0, 1)), ", ")))
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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STATUS
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approved
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