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A080453 a(1) = 9, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1). 8
9, 18, 108, 1188, 10692, 117612, 1058508, 11643588, 104792292, 1152715212, 10374436908, 114118805988, 1027069253892, 11297761792812, 101679856135308, 1118478417488388, 10066305757395492, 110729363331350412 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..18.

CROSSREFS

Cf. A080445, A080446, A080447, A080448, A080449, A080450, A080451, A080452.

Same as A080446 or A080447 from n=3 on.

Sequence in context: A066711 A033651 A050250 * A222811 A002169 A050685

Adjacent sequences:  A080450 A080451 A080452 * A080454 A080455 A080456

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 23 2003

EXTENSIONS

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003

STATUS

approved

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Last modified May 24 00:43 EDT 2013. Contains 225613 sequences.