A354489 Widths w of w X h grid rectangles with w > h such that no quadrilaterals with 2 < h < w as defined in A353532 exist, whose angle between their diagonals is equal to the angle between the diagonals of the grid rectangle.

4, 5, 6, 7, 10, 11, 13, 17, 19, 22, 23, 26, 29, 31, 34, 37, 38, 39, 41, 43, 46, 47, 53, 55, 57, 58, 59, 61, 62, 65, 67, 69, 71, 73, 74, 79, 82, 83, 85, 86, 89, 92, 94, 95, 97

Offset: 1

Author

Hugo Pfoertner and Rainer Rosenthal, May 28 2022

Keywords

• nonn
• more

Comments

The relationship to A353532 is given by the fact that the number of lattice points n X m is used there, while here the side lengths of the lattice rectangle w = n - 1 and h = m - 1 are used.

Examples

			See A354488.
		

Crossrefs

Cf. A353532, A354488 for more information.

There are many common terms with A325160.