134213632

Appears in sequences

• a(n) = 2*4^n + (-1)^n*2^(n-1).at n=12A120470
• a(n) = 6*a(n-1) - 8*a(n-2) for n > 1; a(0) = 7, a(1) = 30.at n=12A171472
• Number of similarity classes of vectors with minimal Ducci period n.at n=31A269795