T(n,k)=Number of nXk 0..7 arrays with no element equal to another within a city block distance of two, and new values 0..7 introduced in row major order.
A206503
T(n,k)=Number of nXk 0..7 arrays with no element equal to another within a city block distance of two, and new values 0..7 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) =34a(12) =65a(13) =34a(14) =5a(15) =15a(16) =481a(17) =3130a(18) =3130a(19) =481a(20) =15a(21) =52a(22) =8731a(23) =178998a(24) =502599a(25) =178998a(26) =8731a(27) =52a(28) =203a(29) =174454
External references
- oeis: A206503