a(n)^2 + 1 = A081089(n), where A081089(n) = A081088(n+1)/A081088(n); involves the partial quotients of a series of continued fractions that sum to unity.
A081090
a(n)^2 + 1 = A081089(n), where A081089(n) = A081088(n+1)/A081088(n); involves the partial quotients of a series of continued fractions that sum to unity.
Terms
- a(0) =0a(1) =2a(2) =5a(3) =52a(4) =13525a(5) =9512132552
External references
- oeis: A081090