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A144134
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Primes of the form GegenbauerC[n,2,3].
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0
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OFFSET
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1,1
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COMMENTS
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LINKS
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MAPLE
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f:= gfun:-rectoproc({(-n - 3)*a(n + 3) + (24 + 6*n)*a(n + 2) + (-5 - n)*a(n + 1), a(0) = 1, a(1) = 12, a(2) = 106}, a(n), remember):
select(isprime, map(f, [$0..4000])); # Robert Israel, Apr 27 2020
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MATHEMATICA
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lst={}; Do[p=GegenbauerC[n, 2, 3]; If[PrimeQ[p], AppendTo[lst, p]], {n, 15^3}]; lst
Select[GegenbauerC[Range[25], 2, 3], PrimeQ] (* Harvey P. Dale, Dec 04 2022 *)
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CROSSREFS
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KEYWORD
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nonn,bref
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AUTHOR
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STATUS
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approved
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