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A112900 a(n) is the least positive integer in base 10 containing n fives that is divisible by n. 19
5, 550, 555, 55552, 55555, 5555550, 35555555, 555555552, 555555555, 55555555550, 555555555555, 5555555555556, 52555555555555, 1555555555555554, 555555555555555, 55555555555555552, 515555555555555555 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

FORMULA

a(n) = n*A112901(n).

EXAMPLE

a(4) = 55552 because 55552 contains 4 fives and is divisible by 4.

CROSSREFS

Cf. A112889-A112898, A112901-A112905, A112907-A112910.

Sequence in context: A302668 A302470 A303252 * A259463 A241802 A274081

Adjacent sequences:  A112897 A112898 A112899 * A112901 A112902 A112903

KEYWORD

base,nonn

AUTHOR

Ray G. Opao, Oct 05 2005

EXTENSIONS

Extended by Ray Chandler and Brandon S. Paster (bsp11(AT)psu.edu), Oct 09 2005

STATUS

approved

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Last modified August 10 22:36 EDT 2022. Contains 356046 sequences. (Running on oeis4.)