61319domain: NAppears in sequencesT(2n-1,n-1), T given by A026659.at n=8A026663T(n,[ n/2 ]), T given by A026659.at n=17A026665G.f. A(x) = Sum_{n>=1} a(n)*x^(3*n-2) satisfies: A(x^2*R(x)) = x^3 - x^6, where A(R(x)) = x.at n=7A350480Number of binary necklaces of length n which have more 01 than 00 substrings.at n=17A371570