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1, 2, 10, 290, 252010, 190526868290, 108901462620994495704010, 35578585682975584013618831758290462042094536290, 3797507277602505611886017656109365392377072888898472983341161302567287339676755374368286356010
(list;
graph;
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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FORMULA
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a(0)=1, a(n)=a(n-1)*(3*a(n-1)-1)
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MATHEMATICA
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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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STATUS
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approved
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