38169

Appears in sequences

• a(0)=1, a(1)=9, a(n) = 72*a(n-2) - a(n-1).at n=5A165510
• Number of simple paths from (1, 1) to (n, 3) on an n X 3 grid with king moves allowed.at n=4A193168
• Number of simple paths from (1, 1) to (n, 5) on an n X 5 grid with king moves allowed.at n=2A193171
• Array read by antidiagonals: T(m, n) is the number of simple paths from corner to diagonally opposite corner on an m X n grid with king moves allowed.at n=23A329118
• Array read by antidiagonals: T(m, n) is the number of simple paths from corner to diagonally opposite corner on an m X n grid with king moves allowed.at n=25A329118