OFFSET
1,2
LINKS
David Applegate, Table of n, a(n) for n = 1..301
MATHEMATICA
Select[Range[0, 10^6], Function[d, AllTrue[IntegerDigits[2 d], SequenceCount[d, #] >= 1 &]]@ IntegerDigits[#] &] (* Michael De Vlieger, Jan 11 2018 *)
PROG
(C++) // See the Applegate link in A135463.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Zak Seidov, Feb 08 2008
EXTENSIONS
Corrected by David Applegate, Feb 09 2008
STATUS
approved