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A242316
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Prime terms in the tribonacci-like sequence A214826.
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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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a(6) is too large to appear here, having 124 digits. It corresponds to A214826(467).
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LINKS
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MATHEMATICA
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a={1, 4, 4}; For[n=3, n<=1000, n++, sum=Plus@@a; If[PrimeQ[sum], Print[sum]]; a=RotateLeft[a]; a[[3]]=sum]
Select[LinearRecurrence[{1, 1, 1}, {1, 4, 4}, 400], PrimeQ] (* Harvey P. Dale, Mar 17 2016 *)
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CROSSREFS
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Cf. A001590, A100683, A231574, A231575, A232543, A214899, A020992, A233554. A214727, A234696, A141523, A235862,A214825, A235873 A214826, A242315.
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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