819187730

Appears in sequences

• a(n) = 5*a(n-2) - 2*a(n-4), with initial terms 0,1,2,4.at n=28A079162
• a(n) = 5*a(n-2) - 2*a(n-4), n >= 4.at n=27A109165
• The number of 1 X n Haunted Mirror Maze puzzles with a unique solution ending with a mirror.at n=14A204091