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A197191
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a(n) = phi(Lucas(n^2)).
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1
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1, 1, 6, 36, 2206, 150000, 13685760, 16794009904, 23538338288640, 40111742758242240, 678603619866009600000, 19289305175281390070751204, 619856418580365858926902640640, 208006459829483370218035382709089280, 78451383926677134672195807581733722937984
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OFFSET
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0,3
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LINKS
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MATHEMATICA
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PROG
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(Magma) [EulerPhi(Lucas(n^2)): n in [0..15]]
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CROSSREFS
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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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