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, vertically or antidiagonally.
A232579
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, vertically or antidiagonally.
Terms
- a(0) =16a(1) =72a(2) =72a(3) =516a(4) =1064a(5) =516a(6) =3048a(7) =16316a(8) =16316a(9) =3048a(10) =18944a(11) =265670a(12) =767942a(13) =265670a(14) =18944a(15) =115892a(16) =4252876a(17) =33815878a(18) =33815878a(19) =4252876a(20) =115892a(21) =713488a(22) =67979266a(23) =1481426938a(24) =4107586864a(25) =1481426938a(26) =67979266a(27) =713488a(28) =4389504a(29) =1090643352
External references
- oeis: A232579