A049751 - OEIS

%I #5 Mar 30 2012 18:56:56

%S 0,4,4,6,6,6,10,10,10,10,18,14,10,14,18,26,22,18,18,22,26,38,30,22,22,

%T 22,30,38,46,42,34,26,26,34,42,46,62,50,42,38,34,38,42,50,62,78,70,54,

%U 46,46,46,46,54,70,78,98,82,70,58,50,50,50,58,70,82,98

%N Array T read by diagonals; T(i,j)=number of directions from (0,0) to lattice points in closed disk with radius (0,0)-to-(i,j).

%e Diagonals (each starting on row 1): {0}; {4,4}; {6,6,6}; ...

%K nonn,tabl

%O 0,2

%A _Clark Kimberling_