543474domain: NAppears in sequencesLet f be a Fibonacci-like sequence seeded by f(1)=1, f(2)=k. a(n) is the smallest k > 0 such that f(n) is a square, or 0 if no such k exists.at n=34A236534Expansion of A(x) = [ Sum_{n>=0} 2^(n*(n-1)/2) * (1 + 2^(2*n+1))/3 * x^(n*(n+1)/2) ]^(1/3).at n=13A370016