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a(n) = smallest integer not yet in the sequence with no digits shared with the previous term a(n-1), no repeated digits, and no 0-digit allowed.
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%I #22 Aug 20 2017 23:03:01

%S 1,2,3,4,5,6,7,8,9,12,34,15,23,14,25,13,24,16,27,18,26,17,28,19,32,41,

%T 29,31,42,35,21,36,45,37,46,38,47,39,48,51,43,52,49,53,61,54,62,57,63,

%U 58,64,59,67,81,56,71,65,72,68,73,69,74,82,67,83,75,84,76,85

%N a(n) = smallest integer not yet in the sequence with no digits shared with the previous term a(n-1), no repeated digits, and no 0-digit allowed.

%K nonn,base

%O 1,2

%A _Enrique Navarrete_, Aug 13 2017