%I A008866
%S A008866 1,8,2,18,2,30,2,42,6,60,6,78,2,90,6,112,2,128,4,144,6,
%T A008866 162,6,186,4,204,4,216,4,240,4,268,2,288,2,308,6,330,6,
%U A008866 352,2,372,2,390,2,410,12,450,2,462,6,480,10,508,6,532
%N A008866 See program line.
%D A008866 Problem #1210, Series Formation, by Charles W. Trigg, J. Rec. Math., 
               15 (1982), 221-222.
%p A008866 ithprime(2*ceil(n/2))+(-1)^n*ithprime(2*floor(n/2)+1);
%Y A008866 Sequence in context: A164587 A050096 A161593 this_sequence A006708 A096041 
               A038280
%Y A008866 Adjacent sequences: A008863 A008864 A008865 this_sequence A008867 A008868 
               A008869
%K A008866 nonn
%O A008866 0,2
%A A008866 N. J. A. Sloane (njas(AT)research.att.com), R. K. Guy