%I A006264 M3223
%S A006264 0,0,1,1,4,4,4,4,5,5,5,5,5,5,5,5,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,9,9,9,
               9,9,
%T A006264 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,10,10,10,10,10,
               10,10,10,10,10
%N A006264 Diagonal length function.
%D A006264 Edward M. Reingold and Xiao Jun Shen, More nearly optimal algorithms 
               for unbounded searching. I. The finite case, SIAM J. Comput. 20 (1991), 
               no. 1, 156-183.
%D A006264 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%Y A006264 Sequence in context: A048760 A035627 A165923 this_sequence A134994 A138195 
               A140744
%Y A006264 Adjacent sequences: A006261 A006262 A006263 this_sequence A006265 A006266 
               A006267
%K A006264 nonn
%O A006264 0,5
%A A006264 N. J. A. Sloane (njas(AT)research.att.com).