1976400domain: NAppears in sequencesa(n) = Sum_{k=0..n} 6^k*A111146(n,k).at n=6A113331Triangle of the value of Bell polynomials of the second kind B(n,m)(6,30,120,360,720,720) in row n, column m.at n=18A188062Ordered areas of primitive integer Soddyian triangles.at n=15A210484