OFFSET
1,9
COMMENTS
n must be odd, and the pawn must be in the center.
EXAMPLE
For n=7 the a(7)=1 solution is
. . Q . . . .
. . . . . Q .
. . . Q . . .
Q . . P . . Q
. . . Q . . .
. Q . . . . .
. . . . Q . .
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Don Knuth, Dec 10 2023
STATUS
approved