T(n,k) = Number of n X k 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements.
A283100
T(n,k) = Number of n X k 0..1 arrays with no 1 equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =1a(7) =6a(8) =6a(9) =1a(10) =2a(11) =28a(12) =72a(13) =28a(14) =2a(15) =5a(16) =142a(17) =600a(18) =600a(19) =142a(20) =5a(21) =13a(22) =606a(23) =4607a(24) =8536a(25) =4607a(26) =606a(27) =13a(28) =29a(29) =2458
External references
- oeis: A283100