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%I #47 Mar 25 2017 20:32:08
%S 23,25,27,29,32,34,35,37,38,43,45,46,47,49,52,53,54,56,57,58,59,64,65,
%T 67,68,69,72,73,74,75,76,78,79,83,85,86,87,89,92,94,95,96,97,98,235,
%U 237,253,257,259,273,275,279,295,297,325,327,345,347,352,354,357
%N Numbers whose decimal representation contains at least two digits such that no digit is divisible by any other digit.
%C This sequence is finite. Digits 0 or 1 do not occur.
%C Digits must be mutually coprime and thus none can be repeated. The number 1 is coprime to all numbers thus it is left out of consideration. - _Michael De Vlieger_, Mar 25 2017
%H Alois P. Heinz, <a href="/A263315/b263315.txt">Table of n, a(n) for n = 1..752</a>
%e From _Michael De Vlieger_, Mar 25 2017: (Start)
%e 29 is in the sequence because the digits 2 and 9 are coprime and not equal to 1.
%e 325 is in the sequence because digits 3, 2, and 5 are mutually coprime and none are equal to 1. (End)
%t Select[Range@ 360, CoprimeQ @@ # && ! MemberQ[#, 1] &@ IntegerDigits@ # &] (* _Michael De Vlieger_, Mar 25 2017 *)
%Y Cf. A263314.
%K nonn,base,fini,full
%O 1,1
%A _Giovanni Teofilatto_, Oct 14 2015
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