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A113591 Least multiple of composite(n), containing only composite digits (0,4,6,8,9). 1
0, 4, 6, 8, 9, 40, 48, 84, 60, 48, 90, 40, 84, 44, 48, 400, 468, 486, 84, 60, 64, 66, 68, 490, 468, 494, 468, 40, 84, 44, 90, 46, 48, 49, 400, 408, 468, 486, 440, 448, 684, 406, 60, 496, 6048, 64, 4680, 66, 68, 69, 490, 648, 444, 600, 608, 4004, 468, 80, 486, 984, 84 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

The sequence A002808 is extended with A002808(0)=0 to define "composite" here. Every term occurs in A001744. - R. J. Mathar, Aug 28 2007

LINKS

Table of n, a(n) for n=0..60.

EXAMPLE

a(7) = 84, composite (7) =14, term corresponding to 14 is 84.

CROSSREFS

Cf. A113590.

Sequence in context: A202260 A001744 A113624 * A029581 A202262 A202266

Adjacent sequences:  A113588 A113589 A113590 * A113592 A113593 A113594

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Nov 07 2005

EXTENSIONS

Corrected and extended by R. J. Mathar, Aug 28 2007

STATUS

approved

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Last modified April 25 13:31 EDT 2019. Contains 322461 sequences. (Running on oeis4.)