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A173737
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(10^n+44)/9 for n>0.
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1
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6, 16, 116, 1116, 11116, 111116, 1111116, 11111116, 111111116, 1111111116, 11111111116, 111111111116, 1111111111116, 11111111111116, 111111111111116, 1111111111111116, 11111111111111116, 111111111111111116
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OFFSET
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1,1
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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)-44 with n>0, a(0)=5.
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MATHEMATICA
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CoefficientList[Series[(6-50*x)/((1-x)*(1-10*x)), {x, 0, 30}], x] (* Vincenzo Librandi, Jul 05 2012 *)
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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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