[seqfan] Division by digits

[Eric Angelini]

Hello SeqFans,
a(n) is the smallest unused integer so far in S
that has no digit dividing a(n-1);
a(1)=1

S = 1,2,3,4,5,6,7,8,9,20,30,40,33,22,43,23,24,50,34,35,26,55,27,...

(hope this is not old hat)

Best,
É.