a(n) = Sum_{k = 0..n} (-1)^k*prime(k)#, where prime(k)# is the prime factorial function.

A265184

a(n) = Sum_{k = 0..n} (-1)^k*prime(k)#, where prime(k)# is the prime factorial function.

Terms

    a(0) =1a(1) =-1a(2) =5a(3) =-25a(4) =185a(5) =-2125a(6) =27905a(7) =-482605a(8) =9217085a(9) =-213875785a(10) =6255817445a(11) =-194304672685

External references