Product{<n/k>: k=1,2,...,n}, where <x> denotes the integer second nearest to x. (For x=(2h+1)/2, <x> is defined to be h, not h+1; if x is an integer, then <x> is defined to be x+1.)
A075998
Product{<n/k>: k=1,2,...,n}, where <x> denotes the integer second nearest to x. (For x=(2h+1)/2, <x> is defined to be h, not h+1; if x is an integer, then <x> is defined to be x+1.)
Terms
- a(0) =2a(1) =6a(2) =8a(3) =60a(4) =48a(5) =336a(6) =576a(7) =2160a(8) =3840a(9) =25344a(10) =17280a(11) =262080a(12) =322560a(13) =829440a(14) =1548288a(15) =21150720a(16) =16588800a(17) =73543680a(18) =139345920a(19) =766402560a(20) =1459814400a(21) =9157017600a(22) =4087480320a(23) =90574848000a(24) =130427781120a(25) =361184624640
External references
- oeis: A075998