2196870domain: NAppears in sequencesa(n) = (4*n+1)*(4*n+2)*(4*n+3).at n=32A001505Squarefree numbers which are products of three consecutive numbers. I.e., squarefree numbers of the form k^3 - k.at n=18A084694Product of the n-th run of squarefree numbers.at n=35A136742