24393domain: NAppears in sequencesPentanacci numbers: a(n)=a(n-1)+a(n-2)+a(n-3)+a(n-4)+a(n-5), {1,2,3,4,5...}.at n=16A145029Number of 2 X 2 matrices having all terms in {1,...,n} and determinant in the closed interval [0,n].at n=23A211057a(n) = n^3 + 4.at n=29A274077