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A104761 Smallest semiprime containing exactly n 8's. 9
38, 818, 8818, 88887, 888883, 8888818, 88888881, 888888881, 8888888858, 88888888882, 888888888886, 8888888888878, 88888888888883, 888888888888881, 8888888888888881, 88888888888888883, 888888888888888838 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

EXAMPLE

a(2)=818 because 818 is the smallest semiprime containing exactly two 8's.

CROSSREFS

Sequence in context: A010990 A004420 A020930 * A270500 A268788 A016075

Adjacent sequences:  A104758 A104759 A104760 * A104762 A104763 A104764

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Apr 24 2005

STATUS

approved

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Last modified August 24 04:58 EDT 2017. Contains 291052 sequences.