%I A055563
%S A055563 3,4,5,6,8,10,12,13,15,16,17,19,20,21,23,24,26,27,29,30,32,34,35,37,38,
%T A055563 40,42,43,45,46,48,49,51,52,54,55,57,58,60,61,63,64,65,67,68,70,71,73,
%U A055563 74,76,77,79,80,81,83,84,86,87,89,90,92,93,95,96,98,99,101,102,104,105
%N A055563 a(n) = least number greater than a(n-1) not the sum of an earlier pair 
               of consecutive terms, a(0) = 3.
%F A055563 a(n) = A022424(n)-a(n-1) for n>0
%e A055563 a(3) = 6 because a(2) = 5, 6<>a(0)+a(1) and 6<>a(1)+a(2); a(4) = 8 because 
               a(3) = 6, 7 = a(0)+a(1), 8<>a(0)+a(1), 8<>a(1)+a(2) and 8<>a(2)+a(3)
%Y A055563 Complement of A022424. See A001651 for a(0) = 1 and A055562 for a(0) 
               = 2
%Y A055563 Sequence in context: A092253 A073849 A136497 this_sequence A090161 A121540 
               A026512
%Y A055563 Adjacent sequences: A055560 A055561 A055562 this_sequence A055564 A055565 
               A055566
%K A055563 nonn
%O A055563 0,1
%A A055563 Henry Bottomley (se16(AT)btinternet.com), May 26 2000