Product of numbers up to n-1 used as divisors in A008336(n), n >= 2; a(1) = 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =6a(7) =6a(8) =6a(9) =6a(10) =60a(11) =60a(12) =720a(13) =720a(14) =10080a(15) =10080a(16) =10080a(17) =10080a(18) =181440a(19) =181440a(20) =3628800a(21) =3628800a(22) =79833600a(23) =79833600a(24) =79833600a(25) =79833600a(26) =2075673600a(27) =2075673600a(28) =58118860800a(29) =58118860800