T(n,k)=Number of nXk binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
A268886
T(n,k)=Number of nXk binary arrays with some element plus some horizontally or antidiagonally adjacent neighbor totalling two exactly once.
Terms
- a(0) =0a(1) =1a(2) =0a(3) =2a(4) =5a(5) =0a(6) =5a(7) =14a(8) =20a(9) =0a(10) =10a(11) =54a(12) =84a(13) =71a(14) =0a(15) =20a(16) =158a(17) =501a(18) =462a(19) =235a(20) =0a(21) =38a(22) =475a(23) =2190a(24) =4133a(25) =2418a(26) =744a(27) =0a(28) =71a(29) =1340
External references
- oeis: A268886