34053

Appears in sequences

• Number of poly-IH73-tiles (holes allowed) with n cells.at n=10A056779
• Rectangular free polyominoes: number of n-celled polyominoes when the cell is a rectangle.at n=10A056780
• Number of nX2 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=8A241278
• Number of 2Xn 0..1 arrays with every element equal to 0, 1, 3 or 4 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.at n=11A302310