OFFSET
1,2
LINKS
Ehit Dinesh Agarwal, C program
P. Erdős and R. K. Guy, Distinct distances between lattice points, Elemente der Mathematik 25 (1970), 121-123.
Matt Parker, MPMP: Unique Distancing Problem, Youtube video, May 2020.
Giovanni Resta, The essentially unique 7 x 7 configuration
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Ehit Dinesh Agarwal, May 27 2020
EXTENSIONS
a(14)-a(16) from Fausto A. C. Cariboni, Jul 03 2022
STATUS
approved