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A197190
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a(0) = 2, a(n) = Lucas(phi(n^2)) for n > 0.
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1
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2, 1, 3, 18, 47, 15127, 322, 599074578, 4870847, 192900153618, 228826127, 97418273275323406890123, 10749957122, 400010949097364802732720796316482, 358890350005878082, 11981655542024930675232002, 562882766124611619513723647, 699259133978938420550028971714417160188479526095241271647
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OFFSET
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0,1
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LINKS
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PROG
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(Magma) [2], [Lucas(EulerPhi(n^2)): n in [1..20]]
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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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