T(n,k)=Number of nXk 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order.
A206389
T(n,k)=Number of nXk 0..6 arrays with no element equal to another within a city block distance of two, and new values 0..6 introduced in row major order.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =2a(7) =4a(8) =4a(9) =2a(10) =5a(11) =33a(12) =55a(13) =33a(14) =5a(15) =15a(16) =380a(17) =1368a(18) =1368a(19) =380a(20) =15a(21) =52a(22) =4801a(23) =34442a(24) =67716a(25) =34442a(26) =4801a(27) =52a(28) =202a(29) =62004
External references
- oeis: A206389