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Nov 18, 2017 at 2:15 comment added Gerry Myerson The number of ways of placing $n$ non-attacking queens on an $n\times n$ chessboard is tabulated at oeis.org/A000170
Nov 17, 2017 at 20:03 history closed Igor Rivin
Dima Pasechnik
Stefan Kohl
Michael Albanese
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Nov 17, 2017 at 19:19 comment added Zach Teitler en.wikipedia.org/wiki/Eight_queens_puzzle. (But what happens for the case of a non "flat" board...?!?)
Nov 17, 2017 at 19:13 answer added Timothy Chow timeline score: 1
Nov 17, 2017 at 19:03 review Close votes
Nov 17, 2017 at 20:05
Nov 17, 2017 at 18:43 review First posts
Nov 17, 2017 at 18:44
Nov 17, 2017 at 18:42 history asked Alexander CC BY-SA 3.0