73344

Appears in sequences

• Self-convolution of array T given by A027144.at n=6A027156
• G.f. satisfies: A(x) = x + A(A(x)^2).at n=10A141200
• Iterative mapping with offset: a(1)=1, a(n)=A095904(a(n-1)-1).at n=12A179223
• Number of (n+1)X(n+1) binary arrays with every 2X2 subblock nonsingular.at n=4A183681
• Number of (n+1) X 6 binary arrays with every 2 X 2 subblock nonsingular.at n=4A183684
• T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock nonsingular.at n=40A183688
• Number of closed binary words of length n that are not privileged.at n=20A297184
• Integers k such that there exists an integer 0<m<k such that (1/sigma(m)^2 + 1/sigma(k)^2)*(m+k)^2 = 1.at n=20A383964