T(n,k) = Number of n X k 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
A278280
T(n,k) = Number of n X k 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) or (1,0), with upper left element zero.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =2a(5) =0a(6) =0a(7) =4a(8) =5a(9) =0a(10) =0a(11) =13a(12) =25a(13) =16a(14) =0a(15) =0a(16) =36a(17) =122a(18) =136a(19) =49a(20) =0a(21) =0a(22) =109a(23) =661a(24) =1461a(25) =839a(26) =153a(27) =0a(28) =0a(29) =317
External references
- oeis: A278280