55623domain: NAppears in sequencesAbsolute discriminants of complex quadratic fields with 3-class group of type (3,3) and 3-principalization type (2241).at n=27A247689Expansion of Product_{k>=1} (1+x^k)^(Fibonacci(k)).at n=19A261050a(0) = 1; thereafter a(n) = floor((9/4)*a(n-1)) + 1.at n=13A361507