%I #9 Mar 30 2012 17:38:09
%S 1,0,0,1,2,1,0,2,2,0,1,0,3,0,1,0,0,0,0,0,0,1,2,1,4,1,2,1,0,2,2,4,4,2,
%T 2,0,1,0,3,4,5,4,3,0,1,0,0,0,4,4,4,4,0,0,0,1,2,1,0,5,6,5,0,1,2,1,0,2,
%U 2,0,0,6,6,0,0,2,2,0,1,0,3,0,1,0,7,0,1,0,3,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N Triangle with subscripts (1,1),(2,1),(1,2),(3,1),(2,2),(1,3), etc. in which entry (i,j) is i AND j.
%Y Antidiagonal sums are in A006581.
%K tabl,nonn,easy
%O 1,5
%A _Marc LeBrun_
%E More terms from Larry Reeves (larryr(AT)acm.org), Sep 21 2000