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A013786
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a(n) = 7^(4*n + 1).
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2
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7, 16807, 40353607, 96889010407, 232630513987207, 558545864083284007, 1341068619663964900807, 3219905755813179726837607, 7730993719707444524137094407, 18562115921017574302453163671207, 44567640326363195900190045974568007
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OFFSET
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0,1
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LINKS
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FORMULA
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a(n) = 2401*a(n-1); a(0)=7.
G.f.: 7/(1-2401*x).
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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