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%I #5 Jul 05 2012 07:03:49
%S 16,24,24,32,36,32,36,48,48,36,40,54,64,54,40,48,60,72,72,60,48,56,72,
%T 80,81,80,72,56,60,84,96,90,90,96,84,60,64,90,112,108,100,108,112,90,
%U 64,72,96,120,126,120,120,126,120,96,72,80,108,128,135,140,144,140,135,128
%N Multiplication table of the composites read by antidiagonals.
%F T(n,k) = A002808(n)*A002808(k).
%e 16, 24, 32, 36, 40, 48, 56, 60, 64, 72,...
%e 24, 36, 48, 54, 60, 72, 84, 90, 96,108,...
%e 32, 48, 64, 72, 80, 96,112,120,128,144,...
%e 36, 54, 72, 81, 90,108,126,135,144,162,...
%e 40, 60, 80, 90,100,120,140,150,160,180,...
%e 48, 72, 96,108,120,144,168,180,192,216,...
%Y Cf. A003991, A098350.
%K nonn,tabl
%O 1,1
%A Douglas Stones (dssto1(AT)student.monash.edu.au), Sep 04 2004