%I

%S 2,2,3,3,3,4,5,7,10,14,15,18,30,32,46,56,58,59,84,86,99,101,103,106,

%T 122,126,128,128,136,152,157,170,190,208,281,282,284

%N a(n) = smallest number >= a(n-1) such that a(1)a(2)...a(n)+1 is prime; a(1)=2

%Y Cf. A036012, A046966.

%K nonn

%O 1,1

%A _Dmitry Kamenetsky_, Mar 02 2010