T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.
A275090
T(n,k)=Number of nXk 0..2 arrays with no element equal to any value at offset (0,-2) (-1,-2) or (-2,-1) and new values introduced in order 0..2.
Terms
- a(0) =1a(1) =2a(2) =2a(3) =3a(4) =14a(5) =5a(6) =6a(7) =36a(8) =81a(9) =14a(10) =12a(11) =96a(12) =192a(13) =486a(14) =41a(15) =24a(16) =288a(17) =508a(18) =1024a(19) =2916a(20) =122a(21) =48a(22) =864a(23) =1680a(24) =3088a(25) =5440a(26) =17496a(27) =365a(28) =96a(29) =2592
External references
- oeis: A275090