91302domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(683).at n=10A042313Coefficient of x in the reduction of the n-th Fibonacci polynomial by x^3->x^2+1.at n=19A192782G.f.: (1-2*x^2)/(1-2*x-5*x^2+9*x^3).at n=12A200862