%I #4 Mar 31 2012 10:22:32
%S 1,11,13,14,16,17,19,20,25,30,31,32,37,43,47,49,50,58,61,70,73,74,79,
%T 83,85,91,92,95,101,102,104,106,110,120,140,160,164,188,200,201,203,
%U 205,209,210,212,218,223,227,230,232,238,245,250
%N Numbers n such that adding the sum of the digits of n to the product of n and the product of its digits yields a prime.
%e The sum of the digits of 11 is 2, the product is 1. 1*11 +
%e 2 = 13 is a prime.
%e Therefore 11 is in the sequence.
%t Select[Range[1000], PrimeQ[ #*Times@@IntegerDigits[ # ] + Plus@@IntegerDigits[ # ]]&]
%K base,nonn,less
%O 1,2
%A _J. M. Bergot_, Jun 05 2007
%E Edited and extended by _Stefan Steinerberger_, Jun 14 2007