T(n,k)=Number of nXk 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors.
A208567
T(n,k)=Number of nXk 0..2 arrays with new values 0..2 introduced in row major order and no element equal to more than one of its immediate leftward or upward or left-upward diagonal neighbors.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =5a(4) =10a(5) =5a(6) =14a(7) =68a(8) =68a(9) =14a(10) =41a(11) =464a(12) =1059a(13) =464a(14) =41a(15) =122a(16) =3168a(17) =16608a(18) =16608a(19) =3168a(20) =122a(21) =365a(22) =21632a(23) =260856a(24) =600426a(25) =260856a(26) =21632a(27) =365a(28) =1094a(29) =147712
External references
- oeis: A208567