Number of nX4 0..3 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
A222675
Number of nX4 0..3 arrays with no more than floor(nX4/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..3 order.
Terms
- a(0) =4a(1) =10a(2) =58a(3) =527a(4) =8276a(5) =133028a(6) =2363628a(7) =40206464a(8) =727306856a(9) =12525102179a(10) =225526086320
External references
- oeis: A222675