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Numbers which when seen in a mirror are different numbers.
2

%I #4 Sep 23 2011 15:54:03

%S 2,5,10,12,15,18,20,21,22,28,50,51,55,58,80,81,82,85,100,102,105,108,

%T 110,115,118,120,121,125,150,151,152,158,180,182,185,200,202,208,210,

%U 212,218,220,221,225,228,250,252,258,280,282,288,500,505

%N Numbers which when seen in a mirror are different numbers.

%D P. Giannopoulos, The Brainteasers, unpublished.

%Y Cf. A053701, A080228.

%K base,easy,nonn

%O 1,1

%A P. Giannopoulos (pgiannop1(AT)yahoo.com), Mar 13 2003