15426870domain: NAppears in sequencesFibonacci sequence beginning 0, 30.at n=29A022364a(n) = (n+1)*F(n), F(n) = Fibonacci numbers A000045.at n=29A099920a(n) = sigma(n)*Fibonacci(n), where sigma(n) = A000203(n), the sum of divisors of n.at n=28A203848