Golomb ruler
set of marks at integer positions along an imaginary ruler such that no two pairs of marks are the same distance apart
en-GB/ɡəlɒm ˈɹuːlə/
en-US/ˈɡɑləm ˈɹulɚ/
set of marks at integer positions along an imaginary ruler such that no two pairs of marks are the same distance apart