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Triangle T(n,k) read by rows. T(1,1)=1, n>1 T(n,1)=A049240, k>1 T(n,k)=A051731.
2

%I #2 Mar 30 2012 18:53:09

%S 1,1,1,1,0,1,0,1,0,1,1,0,0,0,1,1,1,1,0,0,1,1,0,0,0,0,0,1,1,1,0,1,0,0,

%T 0,1,0,0,1,0,0,0,0,0,1,1,1,0,0,1,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,1,1,1,

%U 1,1,0,1,0,0,0,0,0,1,1,0,0,0,0,0,0,0,0,0,0,0,1,1,1,0,0,0,0,1,0,0,0,0,0,0,1

%N Triangle T(n,k) read by rows. T(1,1)=1, n>1 T(n,1)=A049240, k>1 T(n,k)=A051731.

%C Except for the first term the first column is equal to A049240. The rest of the table equals A051731. The first column = 0 when n is a square greater than 1.

%e Table begins:

%e 1,

%e 1,1,

%e 1,0,1,

%e 0,1,0,1,

%e 1,0,0,0,1,

%e 1,1,1,0,0,1,

%e 1,0,0,0,0,0,1,

%e 1,1,0,1,0,0,0,1,

%e 0,0,1,0,0,0,0,0,1,

%e 1,1,0,0,1,0,0,0,0,1,

%Y Cf. A174854.

%K nonn,tabl

%O 1,1

%A _Mats Granvik_, Mar 31 2010