Number of (n+1) X (1+1) 0..2 arrays with the upper median unequal to the lower median in every 2 X 2 subblock.
A236271
Number of (n+1) X (1+1) 0..2 arrays with the upper median unequal to the lower median in every 2 X 2 subblock.
Terms
- a(0) =42a(1) =208a(2) =1048a(3) =5328a(4) =27168a(5) =138720a(6) =708640a(7) =3620768a(8) =18501536a(9) =94542752a(10) =483118496a(11) =2468772768a(12) =12615641504a(13) =64467060640a(14) =329432556960
External references
- oeis: A236271