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A205392 Ordered differences of numbers s(j)=ceiling(j^2/2). 2


%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

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Last modified July 13 04:01 EDT 2020. Contains 335673 sequences. (Running on oeis4.)