%I #5 Mar 30 2012 18:58:11
%S 1,4,3,7,6,3,12,11,8,5,17,16,13,10,5,24,23,20,17,12,7,31,30,27,24,19,
%T 14,7,40,39,36,33,28,23,16,9,49,48,45,42,37,32,25,18,9,60,59,56,53,48,
%U 43,36,29,20,11,71,70,67,64,59,54,47,40,31,22,11,84,83,80,77
%N Ordered differences of numbers s(j)=ceiling(j^2/2).
%C For a guide to related sequences, see A204892.
%e a(1)=s(2)-s(1)=2-1=1
%e a(2)=s(3)-s(1)=5-1=4
%e a(3)=s(3)-s(2)=5-2=3
%e a(4)=s(4)-s(1)=8-1=7
%e a(5)=s(4)-s(2)=8-2=6
%t (See the program at A205394.)
%Y Cf. A205394, A204892.
%K nonn
%O 1,2
%A _Clark Kimberling_, Jan 27 2012