179399

Appears in sequences

• T(n,m) = Number of ways to partition an n X m grid into 9 connected equal-area regions.at n=69A167265
• T(n,m) = Number of ways to partition an n X m grid into 9 connected equal-area regions.at n=74A167265
• Number of tilings of a 4 X n rectangle with n tetrominoes of any shape.at n=9A174248
• Number of tilings of a 9 X 4n rectangle with 9n tetrominoes of any shape.at n=1A247113