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

1,1

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.

Links

Table of n, a(n) for n=1..45.

Example

See A354488.

Crossrefs

Cf. A353532, A354488 for more information.

There are many common terms with A325160.

Sequence in context: A047260 A284790 A172999 * A284371 A123438 A039024

Adjacent sequences: A354486 A354487 A354488 * A354490 A354491 A354492

Keyword

nonn,more

Author

Hugo Pfoertner and Rainer Rosenthal, May 28 2022

Status

approved