Number of Latin squares of order 2n with maximum inner distance with fixed entry 1 in cell (1,1).

Terms

a(0) =1a(1) =144a(2) =112a(3) =340a(4) =696a(5) =1468a(6) =2528a(7) =4388a(8) =6760a(9) =10444a(10) =14928a(11) =21364a(12) =28952a(13) =39260a(14) =51136a(15) =66628a(16) =84168a(17) =106348a(18) =131120a(19) =161684a(20) =195448a(21) =236284a(22) =280992a(23) =334180a(24) =391976a(25) =459788a(26) =533008a(27) =617908a(28) =709080a(29) =813724