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Ranks of (odd i)+(odd j)*r, when all i+j*r are ranked; r=sqrt(2), i>=0, j>=0.
6

%I #5 Mar 30 2012 18:57:13

%S 5,12,15,21,26,31,33,39,46,48,52,55,63,66,71,74,79,83,87,92,96,102,

%T 106,110,112,116,121,127,132,137,139,143,148,150,155,161,166,168,173,

%U 179,181,186,192,194,198,200,206,212,214,220,227,229,233,235,241,244,248,250,257

%N Ranks of (odd i)+(odd j)*r, when all i+j*r are ranked; r=sqrt(2), i>=0, j>=0.

%e Writing (i,j) for i+j*r, the first 7 in the ranking are (0,0), (1,0), (0,1), (2,0), (1,1), (0,2), (3,0); the rank where i and j are both odd is 5.

%Y Cf. A184397, A184398, A184400, A184401, A184402, A184403.

%K nonn

%O 1,1

%A _Clark Kimberling_, Jan 12 2011