%I A062855
%S A062855 0,1,2,4,4,7,6,10,11,13,10,17,12,19,20,23,16,26,18,29,29,31,22,37,33,
%T A062855 37,38,42,28,47,30,48,47,49,49,58,36,55,56,63,40,66,42,67,68,67,46,78,
%U A062855 66,77,74,80,52,85,78,89,83
%N A062855 First differences of A062851.
%e A062855 a(4)=4 because there are 7 integer non-products for the 4 X 4 multiplication 
               table (5 7 10 11 13 14 15), which is 4 more than the 3 non-products 
               for the 3 X 3 multiplication table (5 7 8).
%Y A062855 Cf. A027424, A062851, A062854, A062856, A062857, A062858, A062859.
%Y A062855 Sequence in context: A164719 A104510 A082515 this_sequence A103622 A105774 
               A130805
%Y A062855 Adjacent sequences: A062852 A062853 A062854 this_sequence A062856 A062857 
               A062858
%K A062855 nonn
%O A062855 1,3
%A A062855 Ron A. Lalonde (ronronronlalonde(AT)hotmail.com), Jun 25 2001