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A060713 Smallest number whose digit sum is 5^n. 1
1, 5, 799, 89999999999999, 4999999999999999999999999999999999999999999999999999999999999999999999 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
MATHEMATICA
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} ]
PROG
(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
CROSSREFS
Cf. A060712.
Sequence in context: A299396 A299226 A300038 * A198402 A214450 A332185
KEYWORD
nonn,base
AUTHOR
Robert G. Wilson v, Apr 21 2001
STATUS
approved

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Last modified March 29 08:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)