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 two of its immediate leftward or upward or left-upward diagonal neighbors.
A208322
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 two of its immediate leftward or upward or left-upward diagonal neighbors.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =5a(4) =13a(5) =5a(6) =14a(7) =113a(8) =113a(9) =14a(10) =41a(11) =982a(12) =2852a(13) =982a(14) =41a(15) =122a(16) =8534a(17) =71956a(18) =71956a(19) =8534a(20) =122a(21) =365a(22) =74164a(23) =1815496a(24) =5269968a(25) =1815496a(26) =74164a(27) =365a(28) =1094a(29) =644516
External references
- oeis: A208322