[seqfan] A permutation with divisions

[Eric Angelini]

Hello SeqFans,
I guess this is a nice little permutation 
of the Naturals:
 a(1)=1
 a(n+1) is the smallest unused integer
 that starts with a digit dividing a(n).

S=1,10,2,11,12,3,13,14,7,15,5,16,4,17,18,9,19,100,20,101,102...

Best,
É.