178127

Properties

Appears in sequences

• Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape W; triangle T(n,k), n>=0, 0<=k<=max(0,floor((n-2)/2)*2) read by rows.at n=15A247710
• Number of tilings of a 5 X n rectangle using n pentominoes of any but the W shape.at n=7A247774
• Number of points of norm <= n in the body-centered cubic lattice with the lattice parameter equal to 2/sqrt(3).at n=32A276648
• Prime numbersat n=16170