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Triangle read by rows, related to Pascal's triangle read mod 2.
7

%I #8 Apr 20 2015 04:22:47

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

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

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

%N Triangle read by rows, related to Pascal's triangle read mod 2.

%H Y. Moshe, <a href="http://dx.doi.org/10.1016/S0022-314X(03)00103-3">The density of 0's in recurrence double sequences</a>, J. Number Theory, 103 (2003), 109-121; see Fig. 2.

%F a(n, k) = A091533(n, k) mod 2.

%e 1; 1,1; 0,1,0; 1,1,1,1; 1,1,1,1,1; ...

%Y Row sums: A091564. Cf. A007318, A083093, A090171-A090173.

%K nonn,easy,tabl

%O 0,1

%A _N. J. A. Sloane_, Jan 19 2004

%E Edited and extended by _Christian G. Bower_, Jan 19 2004