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A104729 Smallest semiprime containing exactly n 6's. 0
6, 166, 4666, 46666, 616666, 5666666, 62666666, 166666666, 6466666666, 46666666666, 666626666666, 6666566666666, 66266666666666, 646666666666666, 2666666666666666, 46666666666666666, 666566666666666666 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(2)=166 because 166 is the smallest semiprime containing exactly two 6's.
CROSSREFS
Sequence in context: A178435 A183254 A143534 * A106661 A356768 A322708
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Apr 24 2005
STATUS
approved

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Last modified June 11 17:16 EDT 2024. Contains 373315 sequences. (Running on oeis4.)