2874655domain: NAppears in sequencesExpansion of (1+2*x+3*x^2+4*x^3+5*x^4)/(1-x-x^2-x^3-x^4-x^5).at n=21A023424Pentanacci numbers with initial conditions a(0)=5, a(1)=1, a(2)=3, a(3)=7, a(4)=15.at n=22A074048Floor((Pentanacci ratio)^n).at n=21A125899Number of dominating sets in the n-antiprism graph.at n=10A284699