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A099186
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a(0) = 1, a(1) = 12, a(n+1) = A006564(a(n)).
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1
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1, 12, 3972, 156624027132, 9605393649115032262909140007773492, 2215570185245038872814956021479696635481690776469126111743280383568619886232750745465064720338596867052
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refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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LINKS
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EXAMPLE
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CROSSREFS
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KEYWORD
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easy,nonn
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AUTHOR
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EXTENSIONS
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Definition and comments condensed by R. J. Mathar, Sep 09 2009
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STATUS
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approved
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