1892050

Appears in sequences

• a(n) = 5*a(n-2) - 2*a(n-4), with initial terms 0,1,2,4.at n=20A079162
• a(n) = 5*a(n-2) - 2*a(n-4), n >= 4.at n=19A109165
• The number of 1 X n Haunted Mirror Maze puzzles with a unique solution ending with a mirror.at n=10A204091