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A080449 a(1) = 5, a(n) = smallest (nontrivial) multiple of a(n-1) containing n digits, a(n) not equal to 10*a(n-1). Also a(n) is not divisible by 10. 8
5, 15, 105, 1155, 10395, 114345, 1029105, 11320155, 101881395, 1120695345, 10086258105, 110948839155, 1220437230705, 10983935076345, 120823285839795, 1087409572558155, 11961505298139705, 107653547683257345 (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, A080450, A080451, A080452, A080453.

Sequence in context: A121869 A118412 A068622 * A077702 A088418 A080490

Adjacent sequences:  A080446 A080447 A080448 * A080450 A080451 A080452

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, 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 October 23 17:32 EDT 2019. Contains 328373 sequences. (Running on oeis4.)