A157157 - OEIS

%I #6 Mar 30 2012 18:52:32

%S 12,21,92,102,120,123,124,125,126,128,132,142,152,162,172,182,201,209,

%T 210,213,214,215,216,217,218,231,249,259,261,279,289,290,294,295,296,

%U 297,298,312,321,329,392,412,429,492,512,529,592,612,621,629,692,712

%N Nonprime numbers containing equal number of odd nonprime digits and even prime digits.

%C Odd nonprime digits are 1 or 9 and even prime digit = 2.

%C The definition presumably implies that the number of odd nonprime digits and the number of even prime digits are both larger than zero. [From _R. J. Mathar_, Feb 26 2009]

%Y Cf. A141468.

%K nonn,base,less

%O 1,1

%A _Juri-Stepan Gerasimov_, Feb 24 2009

%E Missing numbers added by _R. J. Mathar_, Feb 26 2009