%I #5 Mar 30 2012 18:38:52
%S 1,2,4,5,8,10,14,16,20,22,25,26,32,40,44,50,56,64,74,80,88,100,104,
%T 110,125,128,136,140,152,160,176,182,184,185,200,220,224,232,239,248,
%U 250,256,260,296,308,320,328,344,350,352,376,400,404,416,424,440,472,488
%N Let rep(n) be the n-th repunit number, sequence gives values of n such that rep(n)==rep(8) (mod n).
%Y Cf. A002275.
%K easy,nonn
%O 1,2
%A _Benoit Cloitre_, Mar 05 2002