%I #5 Feb 23 2018 09:48:56
%S 0,3,10,13,17,6,7,16,14,9,4,19,11,2,1,12,18,5,8,15,20,23,30,33,40,43,
%T 50,53,60,63,67,26,27,36,37,46,47,56,57,66,64,29,24,39,34,49,44,59,54,
%U 69,61,22,21,32,31,42,41,52,51,62,68,25,28,35,38,45,48,55,58,65,70,73,80,83,90,93,100,103,110,113,117,76,77,86,87,96,97,106,107
%N Lexicographic first sequence of nonnegative integers such that a(n) + a(n+1) has a digit 3, and no term occurs twice.
%C A permutation of the nonnegative integers.
%o (PARI) a(n,f=1,d=3,a=0,u=[a])={for(n=1,n,f&&if(f==1,print1(a","),write(f,n-1," "a));for(k=u[1]+1,oo,setsearch(u,k)&&next;setsearch(Set(digits(a+k)),d)&&(a=k)&&break);u=setunion(u,[a]);u[2]==u[1]+1&&u=u[^1]);a}
%Y Cf. A299973 (analog with positive terms), A299957 (analog with digit 1), A299970, A299982, ..., A299988, A299969 (digit 0, 2, ..., 9).
%K nonn,base
%O 0,2
%A _M. F. Hasler_ and _Eric Angelini_, Feb 22 2018
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