T(n,k)=Number of nXk 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.
A206987
T(n,k)=Number of nXk 0..1 arrays avoiding the patterns 0 1 0 or 1 0 1 in any row, column, diagonal or antidiagonal.
Terms
- a(0) =2a(1) =4a(2) =4a(3) =6a(4) =16a(5) =6a(6) =10a(7) =36a(8) =36a(9) =10a(10) =16a(11) =100a(12) =58a(13) =100a(14) =16a(15) =26a(16) =256a(17) =158a(18) =158a(19) =256a(20) =26a(21) =42a(22) =676a(23) =420a(24) =556a(25) =420a(26) =676a(27) =42a(28) =68a(29) =1764
External references
- oeis: A206987