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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

Table of n, a(n) for n=1..29.

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 * A266059 A020445 A143252

Adjacent sequences:  A105986 A105987 A105988 * A105990 A105991 A105992

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta, Apr 29 2005

STATUS

approved

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Last modified October 18 02:23 EDT 2019. Contains 328135 sequences. (Running on oeis4.)