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A032543 Numbers n which when expressed in base 5 and then interpreted in base 10 give a multiple of n. 2
1, 2, 3, 4, 5, 10, 15, 20, 25, 50, 75, 100, 125, 160, 224, 237, 250, 320, 330, 375, 490, 500, 625, 800, 1000, 1120, 1185, 1250, 1600, 1650, 1875, 2450, 2500, 3125, 3800, 4000, 4704, 5000, 5600, 5925, 6250, 7600, 8000, 8250, 9375, 10000, 12250 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

EXAMPLE

25 in base 5 is 100, which interpreted in base 10 is 100=4*25

MATHEMATICA

Select[Range[13000], Divisible[FromDigits[IntegerDigits[#, 5]], #]&]  [From Harvey P. Dale, Feb. 1, 2011]

CROSSREFS

Cf. A032542, A032544.

Sequence in context: A076707 A032940 A064419 * A140730 A205962 A134220

Adjacent sequences:  A032540 A032541 A032542 * A032544 A032545 A032546

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), april 1998.

EXTENSIONS

Example and better description from Erich Friedman (efriedma(AT)stetson.edu) Jul 21 2001

Edited by Erich Friedman (efriedma(AT)stetson.edu) Feb 09 2002

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Last modified February 17 16:13 EST 2012. Contains 206050 sequences.