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%I #4 Mar 30 2012 18:57:04
%S 1,1,2,1,2,3,3,1,3,1,3,10,21,2,21,4,57,45,6,22,81,56,24,298,54,379,
%T 461,193,377,656,993,520,1263,867,2492,29,3860,6735,7143,3817,12561,
%U 12231,24299,11053,734
%N Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057041(n)=j(F(n)), where F(n) is the n-th Fibonacci number.
%K nonn
%O 1,3
%A _Clark Kimberling_, Jul 30 2000