a(n) = a(n-1) + (-1)^(n-1) * a(n-2)^2 for n >= 2 with a(0) = 0 and a(1) = 1.
A005605
a(n) = a(n-1) + (-1)^(n-1) * a(n-2)^2 for n >= 2 with a(0) = 0 and a(1) = 1.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =2a(4) =1a(5) =5a(6) =4a(7) =29a(8) =13a(9) =854a(10) =685a(11) =730001a(12) =260776a(13) =532901720777a(14) =464897598601
External references
- oeis: A005605