Skip to main content

All Questions

Tagged with
Filter by
Sorted by
Tagged with
8 votes
4 answers
725 views

8x8 square with no adjacent numbers summing to a prime

Can you fill a 8x8 grid with numbers from 1 to 8 such that: Every number occurs exactly once in each row and in each column (Latin square). No two adjacent (horizontally or vertically) numbers sum to ...
Dmitry Kamenetsky's user avatar