Search: id:A018807 Results 1-1 of 1 results found. %I A018807 %S A018807 4,79,3600,281571,32572756,5109144543,1027533353168,254977173389319, %T A018807 75925129079783308,26568150968269086211,10749154284380665611224 %N A018807 Number of ways to place n^2 nonattacking kings on 2n X 2n chessboard. %Y A018807 Sequence in context: A048957 A006425 A065930 this_sequence A125710 A093854 A054322 %Y A018807 Adjacent sequences: A018804 A018805 A018806 this_sequence A018808 A018809 A018810 %K A018807 nonn,nice %O A018807 1,1 %A A018807 David W. Wilson (davidwwilson(AT)comcast.net) Search completed in 0.001 seconds