A078243 - OEIS

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A078243

Smallest multiple of n using only digits 0 and 4.

3

4, 4, 444, 4, 40, 444, 4004, 40, 444444444, 40, 44, 444, 4004, 4004, 4440, 400, 44404, 444444444, 44004, 40, 40404, 44, 440404, 4440, 400, 4004, 4404444444, 4004, 4404404, 4440, 444044, 4000, 444444, 44404, 40040, 444444444, 444, 44004, 40404

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OFFSET

1,1

COMMENTS

a(n) = min{A169967(k): k > 1 and A169967(k) mod n = 0}. [Reinhard Zumkeller, Jan 10 2012]

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..998

PROG

(Haskell)

a078243 n = head [x | x <- tail a169967_list, mod x n == 0]

-- Reinhard Zumkeller, Jan 10 2012

CROSSREFS

Cf. A004290, A078241-A078248, A079339, A096681-A096688.

Sequence in context: A107052 A000790 A068556 * A024246 A358199 A024247

Adjacent sequences: A078240 A078241 A078242 * A078244 A078245 A078246

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Nov 23 2002

EXTENSIONS

More terms from Ray Chandler, Jul 12 2004

STATUS

approved