225075

Appears in sequences

• Fibonacci sequence beginning 0, 3.at n=25A022086
• Markoff numbers (A002559) multiplied by 3.at n=29A086326
• a(0) = 1; for n>0, a(n) = 3*Fibonacci(n).at n=25A097135
• Expansion of g.f. (7+6*x-6*x^2-3*x^3)/((x^2+x-1)*(x^2-x-1)).at n=23A099255
• a(n) = tau(n)*Fibonacci(n), where tau(n) = A000005(n), the number of divisors of n.at n=24A203847
• a(n) = Fibonacci(n)*A001227(n) for n>=1, where A001227(n) is the number of odd divisors of n.at n=24A205965
• Number of vertices of degree n in all Lucas cubes.at n=12A258121
• a(n) = 3*a(n-2) - a(n-4) for n > 3, with a(0)=4, a(1)=3, a(2)=a(3)=6, a sequence related to bisections of Fibonacci numbers.at n=25A292616