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A105989 Near-repdigit semiprimes with 8 as repeated digit. 0
818, 838, 878, 886, 889, 898, 8818, 8881, 8882, 8885, 8889, 88887, 88889, 88898, 888883, 888886, 888889, 888898, 8888818, 8888881, 8888883, 8888889, 88888881, 88888889, 888888881, 888888886, 8888888858, 8888888881, 8888888885 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(2)=838 is a term because 838 is a semiprime and all digits are equal to 8 except one.
CROSSREFS
Sequence in context: A064583 A279441 A221748 * A332181 A266059 A356414
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Apr 29 2005
STATUS
approved

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Last modified June 27 16:21 EDT 2024. Contains 373746 sequences. (Running on oeis4.)