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A104761
Smallest semiprime containing exactly n 8's.
5
38, 818, 8818, 88887, 888883, 8888818, 88888881, 888888881, 8888888858, 88888888882, 888888888886, 8888888888878, 88888888888883, 888888888888881, 8888888888888881, 88888888888888883, 888888888888888838
OFFSET
1,1
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
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Apr 24 2005
STATUS
approved