123825753

Appears in sequences

• Horadam sequence (0,1,9,3).at n=12A085504
• a(n) = 3^(n-1)*Fibonacci(n).at n=13A099012
• a(n) = 3*a(n-1) + 9*a(n-2) for n > 1, with a(0)=1, a(1)=3.at n=12A122069