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A173735
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a(n) = (10^n + 26)/9.
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1
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3, 4, 14, 114, 1114, 11114, 111114, 1111114, 11111114, 111111114, 1111111114, 11111111114, 111111111114, 1111111111114, 11111111111114, 111111111111114, 1111111111111114, 11111111111111114, 111111111111111114
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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) = a(n-1)+10^(n-1) = 10*a(n-1)-26, a(0)=3.
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MATHEMATICA
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CoefficientList[Series[(3-29*x)/((1-x)*(1-10*x)), {x, 0, 30}], x] (* Ivan Panchenko, Nov 05 2013 *)
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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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EXTENSIONS
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a(0) from Ivan Panchenko, Nov 05 2013
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STATUS
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approved
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