Room square
id:
room-square-298-14092086
title:
Room square
text:
A Room square, named after Thomas Gerald Room, is an n × n array filled with n + 1 different symbols in such a way that: Each cell of the array is either empty or contains an unordered pair from the set of symbols
Each symbol occurs exactly once in each row and column of the array
Every unordered pair of symbols occurs in exactly one cell of the array. An example, a Room square of order seven, if the set of symbols is integers from 0 to 7: It is known that a Room square exist if and only if n is
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Room_square
date created:
date modified:
2022-12-11T21:34:40Z
main entity:
{"identifier":"Q7366296","url":"https://www.wikidata.org/entity/Q7366296"}
image:
fields total:
13
integrity:
13