a(n) = numberator(b(n)) where b(1)=1, b(2)=2 and for n > 2, b(n) = 1/b(n-2) - 1/b(n-1).

A076655

a(n) = numberator(b(n)) where b(1)=1, b(2)=2 and for n > 2, b(n) = 1/b(n-2) - 1/b(n-1).

Terms

    a(0) =1a(1) =2a(2) =1a(3) =-3a(4) =8a(5) =-25a(6) =267a(7) =-11408a(8) =4063825a(9) =-61874069763

External references