T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically, with no adjacent elements equal.
A232406
T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically, with no adjacent elements equal.
Terms
- a(0) =4a(1) =4a(2) =4a(3) =8a(4) =16a(5) =8a(6) =16a(7) =20a(8) =20a(9) =16a(10) =28a(11) =72a(12) =52a(13) =72a(14) =28a(15) =52a(16) =124a(17) =176a(18) =176a(19) =124a(20) =52a(21) =96a(22) =356a(23) =484a(24) =1120a(25) =484a(26) =356a(27) =96a(28) =176a(29) =664
External references
- oeis: A232406