95720domain: NAppears in sequencesNumber of compositions of n into 5 ordered relatively prime parts.at n=37A000743Expansion of (1-x) * (1+x) / ((1-2*x)*(1-x-x^2)).at n=15A104004Number of 2 X 2 nonsingular 0..n matrices with rows in increasing order.at n=19A183761