%I #2 Mar 30 2012 17:26:35
%S 1,2,2,6,6,12,6,18,18,6,6,6,12,12,12,6,6,6,30,30,30,18,30,6,18,6,18,
%T 24,18,12,6,18,6,24,12,48,24,6,12,30,18,12,24,18,30,6,12,30,54,12,54,
%U 6,24,30,42,18,12,36,6,6,12,24,18,12,6,6,12,12,18,24,6,12,6,12,30,48,24,24
%N a(n) = sqrt(A073609(n+1)-A073609(n))
%C After 1,1,2, all terms are multiples of 6.
%Y Cf. A073609 a(0)=2, a(n) for n>0 is the smallest prime>a(n-1) that differs from a(n-1) by a square.
%K nonn
%O 0,2
%A _Zak Seidov_, Jul 16 2010