Number of 4Xn arrays containing n copies of 0..4-1 with no equal vertical or antidiagonal neighbors and new values introduced sequentially from 0.
A265681
Number of 4Xn arrays containing n copies of 0..4-1 with no equal vertical or antidiagonal neighbors and new values introduced sequentially from 0.
Terms
- a(0) =1a(1) =23a(2) =632a(3) =20592a(4) =734400a(5) =27705984a(6) =1086831962a(7) =43880429586
External references
- oeis: A265681