a(n) = 1 + (1-2^n)*a(n-1) for n > 0, a(0)=0.
A176337
a(n) = 1 + (1-2^n)*a(n-1) for n > 0, a(0)=0.
Terms
- a(0) =0a(1) =1a(2) =-2a(3) =15a(4) =-224a(5) =6945a(6) =-437534a(7) =55566819a(8) =-14169538844
External references
- oeis: A176337
A176337
a(n) = 1 + (1-2^n)*a(n-1) for n > 0, a(0)=0.