Number of nX3 0..3 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.
A222374
Number of nX3 0..3 arrays with no more than floor(nX3/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =1a(1) =5a(2) =9a(3) =118a(4) =498a(5) =8111a(6) =37107a(7) =676485a(8) =3140167a(9) =58995438a(10) =275054103a(11) =5223616489a(12) =24395423052a(13) =466212749842
External references
- oeis: A222374