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A105762
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Prime Lucas 3-step numbers, A001644.
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1
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3, 7, 11, 71, 131, 241, 443, 1499, 196331, 86992799, 541292033, 292997064989357251, 129824812729295169371, 238785058551151434437, 5026368970977284897651, 105803877284856287511991
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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a={-1, -1, 3}; lst={}; Do[s=Plus@@a; a=RotateLeft[a]; a[[ -1]]=s; If[PrimeQ[s], AppendTo[lst, s]], {n, 1000}]; lst
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CROSSREFS
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Cf. A104576 (indices of prime Lucas 3-step numbers).
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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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