Partial products of the unitary totient function (A047994): a(n) = Product_{k=1..n} uphi(k).
A321613
Partial products of the unitary totient function (A047994): a(n) = Product_{k=1..n} uphi(k).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =24a(5) =48a(6) =288a(7) =2016a(8) =16128a(9) =64512a(10) =645120a(11) =3870720a(12) =46448640a(13) =278691840a(14) =2229534720a(15) =33443020800a(16) =535088332800
External references
- oeis: A321613