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A105989 Near-repdigit semiprimes with 8 as repeated digit. 0

%I

%S 818,838,878,886,889,898,8818,8881,8882,8885,8889,88887,88889,88898,

%T 888883,888886,888889,888898,8888818,8888881,8888883,8888889,88888881,

%U 88888889,888888881,888888886,8888888858,8888888881,8888888885

%N Near-repdigit semiprimes with 8 as repeated digit.

%e a(2)=838 is a term because 838 is a semiprime and all digits are equal to 8 except one.

%K base,nonn

%O 1,1

%A _Shyam Sunder Gupta_, Apr 29 2005

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Last modified August 17 17:00 EDT 2019. Contains 326059 sequences. (Running on oeis4.)