OFFSET
1,2
COMMENTS
EXAMPLE
On a 10 X 10 point grid 34 points (X) can be placed at most. Example:
. X . . . X X . . .
X X . . . X X . X .
X . X X . . . . X .
. . X . . . . X . X
. . . . . . . . X X
X X . . . . . . . .
X . X . . . . X . .
. X . . . . X X . X
. X . X X . . . X X
. . . X X . . . X .
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Heinrich Ludwig, Feb 26 2018
EXTENSIONS
a(11) from Bert Dobbelaere, Jan 09 2020
a(12) from Bert Dobbelaere, Jan 12 2020
STATUS
approved