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A225425
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Number of "abc-hits" with c < 10^n.
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2
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1, 6, 31, 120, 418, 1268, 3499, 8987, 22316, 51677, 116978, 252856, 528275, 1075319, 2131671, 4119410, 7801334, 14482065
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OFFSET
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1,2
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COMMENTS
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Let rad(x) be the function that computes the squarefree kernel of x (see A007947). A triple {a,b,c} of positive integers with a+b=c, gcd(a,b)=1 and c > rad(a*b*c) is called an abc-hit.
The first 6 terms were computed using A130510. More terms were found on the Wikipedia page.
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LINKS
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EXAMPLE
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The only solution under 10 is 1 + 8 = 9.
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CROSSREFS
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Cf. A225426 (a,b,c in one sequence).
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KEYWORD
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nonn,base,hard,more
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AUTHOR
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STATUS
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approved
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