%I #6 Sep 12 2017 08:29:37
%S 1,1,1,2,1,1,2,4,3,1,1,1,1,4,4,8,1,2,1,1,1,3,4,1,1,2,4,1,2,1,1,2,5,1,
%T 1,2,1,1,4,4,2,6,1,1,2,5,1,7,4,1,3,2,7,4,5,2,3,5,3,2,1,1,4,4,2,2,5,4,
%U 6,7,3,2,6,5,1,1,2,1,1,11,3,7,9,2,10,2,5
%N a(n) = A260930(n)/6 for n > 2.
%e a(6)=2 because A260930(6)/6 = 12/2 = 2.
%t Differences[Select[Range[1500], PrimeQ[2 + (#+1)^2] &, 100]]/6
%Y Cf. A067201, A260930.
%K nonn,easy
%O 3,4
%A _Michel Lagneau_, Aug 04 2015