2524160domain: NAppears in sequencesNumerators of reduced forms of fractions obtained by performing the first n divisions shown below.at n=15A120031a(n) is the denominator of Product_{i=0..n-1} (n-i)^((-1)^ceiling(i/2)).at n=29A337355a(n) = 2^(n-3)*(3*binomial(n,4) + 4*binomial(n,2) + 8).at n=13A383868