Number of odd chordless cycles in the complement of the n X n queen graph.

Terms

a(0) =0a(1) =0a(2) =0a(3) =48a(4) =696a(5) =4424a(6) =16296a(7) =46096a(8) =106072a(9) =219840a(10) =410384a(11) =717048a(12) =1180992a(13) =1862352a(14) =2818944a(15) =4141160a(16) =5909616a(17) =8242416a(18) =11250560a(19) =15086744a(20) =19892296a(21) =25863248a(22) =33172832a(23) =42059520a(24) =52742984a(25) =65508072a(26) =80612544a(27) =98400416