54448

Appears in sequences

• a(n) = 2*a(n-1) + 2*a(n-2) - 2*a(n-3) with a(0)=3, a(1)=2, a(3)=8.at n=12A107300
• Fibonacci central tridiagonal matrices as a triangular sequence from a recursive polynomial definition.at n=40A123974