15946875domain: NAppears in sequencesTriangle whose (n,k)-th entry is 15^(n-k)*binomial(n,k).at n=30A027467Third column of A027467.at n=5A027476Triangle whose (i,j)-th entry is binomial(i,j)*5^(i-j)*9^j.at n=31A038251Triangle whose (i,j)-th entry is binomial(i,j)*9^(i-j)*5^j.at n=32A038295