355258domain: NAppears in sequencesCoefficient of x in the reduction of the n-th Fibonacci polynomial by x^3->x^2+1.at n=21A192782Number of nX6 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,0) or (-1,1) and new values introduced in order 0..2.at n=7A275181