T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north, west, northwest or northeast neighbor modulo n and the upper left element equal to 0.
A266493
T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its north, west, northwest or northeast neighbor modulo n and the upper left element equal to 0.
Terms
- a(0) =1a(1) =1a(2) =0a(3) =1a(4) =0a(5) =1a(6) =1a(7) =0a(8) =1a(9) =2a(10) =1a(11) =0a(12) =1a(13) =4a(14) =9a(15) =1a(16) =0a(17) =1a(18) =25a(19) =187a(20) =44a(21) =1a(22) =0a(23) =1a(24) =133a(25) =8088a(26) =7400a(27) =265a(28) =1a(29) =0
External references
- oeis: A266493