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A060713
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Smallest number whose digit sum is 5^n.
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1
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OFFSET
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0,2
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LINKS
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MATHEMATICA
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Do[ a = {}; While[ Apply[ Plus, a ] + 9 < 5^n, a = Append[ a, 9 ] ]; If[ Apply[ Plus, a ] != 5^n, a = Prepend[ a, 5^n - Apply[ Plus, a ] ] ]; Print[ FromDigits[ a ] ], {n, 1, 4} ]
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PROG
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(PARI) { for (n=0, 5, s=5^n; x=s\9; d=s - 9*x; write("b060713.txt", n, " ", (d+1)*10^x - 1); ) } \\ Harry J. Smith, Jul 10 2009
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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