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%I #3 Mar 30 2012 17:26:12
%S 1234,1432,2143,2341,3214,3412,4123,4321
%N Numbers with 4 distinct digits {1,2,3,4} such that all adjacent digits(as well as first and last digits) are coprime.
%Y Cf. A104972, A104973.
%K full,nonn,base,fini
%O 1,1
%A _Zak Seidov_, Mar 30 2005
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