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A354706
Diagonal of A354704.
4
2, 5, 13, 18, 32, 41, 53, 72, 89, 113, 128, 149, 181, 205, 242, 265, 313, 338, 373, 421, 450, 512, 545, 584, 648, 697
OFFSET
1,1
COMMENTS
a(n) is a lower bound for the maximum number of grid points in a square grid covered by an arbitrarily positioned and rotated square of side length n, excluding the trivial case of an axis-parallel unshifted square.
Grid points must be strictly inside the covering square, i.e., grid points on the perimeter of the square are not allowed.
FORMULA
a(n) = A354704(n,n).
EXAMPLE
For examples see the figures in the linked file.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Hugo Pfoertner, Jun 19 2022
STATUS
approved