A067944 - OEIS

A067944

Integers of the form (rep(n)-1)/n where rep(n)=1111111111...111 with n 1's is the n-th repunit number.

%I #5 Mar 30 2012 18:38:52

%S 5,2222,158730,111111111,1010101010,85470085470,653594771241830,

%T 58479532163742690,483091787439613526570,383141762452107279693486590,

%U 35842293906810035842293906810,30030030030030030030030030030030030

%N Integers of the form (rep(n)-1)/n where rep(n)=1111111111...111 with n 1's is the n-th repunit number.

%K easy,nonn

%O 1,1

%A _Benoit Cloitre_, Mar 05 2002