5286866domain: NAppears in sequencesNumber of binary strings of length n with no substrings equal to 0001 0100 or 0110.at n=27A164463Expansion of x*(1 - x + 2*x^3 - x^4)/((1 - x)*(1 + x)*(1 - x + x^2)*(1 - x - x^2)).at n=33A279890