# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/

Search: id:a224700
Showing 1-1 of 1

%I A224700 #11 Apr 16 2013 12:14:03
%S A224700 3,23,4297,20831323
%N A224700 a(n) = smallest prime p such that p + prime(n)# is next prime after p, where primorial prime(n)# = 2*3*..*prime(n).
%C A224700 a(5) > 10^20.
%F A224700 a(n) = A000230(A002110(n)/2).
%e A224700 a(2)=23 because 23 is smallest prime such that 23+2*3=29 is next prime.
%Y A224700 Cf. A001223, A000230.
%K A224700 nonn,hard,more
%O A224700 1,1
%A A224700 _Thomas Ordowski_, Apr 16 2013

# Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE