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%I A156672 #4 Mar 30 2012 18:52:32
%S A156672 2,5,11,13,17,29,41,47,59,73,83,97,113,127,137,149,163,173,191,211,
%T A156672 223,233,241,251,263,277,293,307,317,331,347,367,383,397,419,433,443,
%U A156672 457,479,499,521,541,557,577,599,631,641,653,673,691,709,727,743,757,787
%N A156672 a(1)=2, a(n+1) is the smallest prime >= a(n) + sum of digits of a(n).
%C A156672 Heuristically, a(n) ~ kn log n for some k >= 4.5/log 10.
%e A156672 2, 5(>4=2+2), 11(>10>5+5), 13(=13=11+1+1), 17(=17=13+1+3), 29(>25=17+1+7), etc.
%Y A156672 Cf. A156604.
%K A156672 nonn,base,less
%O A156672 1,1
%A A156672 _Juri-Stepan Gerasimov_, Feb 13 2009
%E A156672 Corrected by _Charles R Greathouse IV_, Mar 19 2010

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