Knopfmacher expansion of 1/2: a(n+1) = a(n-1)(a(n)+1)-1.

A007567

Knopfmacher expansion of 1/2: a(n+1) = a(n-1)(a(n)+1)-1.

Terms

    a(0) =-3a(1) =-2a(2) =2a(3) =5a(4) =11a(5) =59a(6) =659a(7) =38939a(8) =25661459a(9) =999231590939

External references