%I A069343
%S A069343 1,3,51,3828,1225194,1636193228,9009490924794
%N A069343 Number of n X n binary arrays with path of adjacent 1's from upper right 
               corner to lower left corner.
%Y A069343 Cf. m X n A069325-A069342, n X n symmetric A069344.
%Y A069343 Sequence in context: A126685 A105639 A003028 this_sequence A084882 A091502 
               A037106
%Y A069343 Adjacent sequences: A069340 A069341 A069342 this_sequence A069344 A069345 
               A069346
%K A069343 nonn
%O A069343 1,2
%A A069343 Ron Hardin (rhhardin(AT)att.net), Mar 16 2002.