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A338578
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Primes p such that (r-p)*(r-q) > r, where q and r are the next two primes.
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2
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2, 3, 5, 11, 17, 19, 29, 43, 47, 83, 109, 199, 283
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OFFSET
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1,1
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COMMENTS
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a(14) > 10^8 if it exists.
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LINKS
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EXAMPLE
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a(5)=17 is a member because it is prime, the next two primes are 19 and 23, and (23-17)*(23-19)=24 > 23.
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MAPLE
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p:= 0: q:=2:r:= 3: R:= NULL:
while p < 10^4 do
p:= q: q:= r: r:= nextprime(r);
if (r-q)*(r-p) > r then R:= R, p; fi
od:
R;
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CROSSREFS
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KEYWORD
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nonn,more
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AUTHOR
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STATUS
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approved
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